Mackie HR824
Contents
1. 70 80 90 100 7 C 16 8 42 5 cm Le 114 29 0 gt Owner s Manual HR824 MIQ Block Diagram MODE SWITCH MUTE n STANDBY j HIGH MUTE OFF ON OFF LOW MUTE ON CONTROL a THERMAL SENSE SWITCH LOW AC VOLTS SENSE POWER SWITCH FRONT PANEL CLIP SENSE CLIP SENSE CIRCUIT HF TRANSDUCER HF OUT gt THERMAL MODELER UNBALANCED LINE INPUT HIGH FREQ COMPRESSOR BALANCED ae SENSITIVITY INPUTS SENSITIVE LF TRANSDUCER THERMAL MODELER CALLOUS _ ACOUSTIC SPACE LOW FREQ WHOLE 37Hz NORMAL HALF ATHz QUARTER 80Hz OUTER SPACE o MACKIE HR824 MK2 BLOCK DIAGRAM 030207 TOROIDAL POWER TRANSFORMER HR824 MK2 MUTE POWER RING POWER WHITE OVERLOAD RED TO CLIP HI FREQUENCY HI FREQUENCY DRIVER POWER AMPLIFIER HF OUT CROSSOVER HI FREQ TWEET V MUTE TO CLIP SENSE LO FREQUENCY LO FREQUENCY POWER AMPLIFIER DRIVER LF OUT WOOF MOTION DETECTOR BASS CONTROL SERVO LOOP SENSE RESISTOR The following are trademarks or registered trade marks of LOUD Technologies Inc The Mackie logo HR Series Zero Edge Baffle and the Running Man THX and pm are trademarks of THX Ltd which may be registered in some jurisdications All rights reserv2. 3 DUIGESTABT itane at 4 REAR PANEL DESCRIPTION 8 1 SIGNAL INPUTS 8 2 INPUT SENSITIVITY 8 3 ACOUSTIC SPACE 8 4 LOW FREQ 9 5 HIGH FREQ 9 POWER diet 10 7 Mains Input 10 8 Passive Radiator ee 11 FRONT PANEL DESCRIPTION 2 9 Power 12 10 Power Ring and Overload Indicator 12 PROTECTION CIRCUITS 2 Overload Protect D Thermal 13 Integrated Magnetic 13 Input Signal Wiring 13 D CLEAN G 000000000000000000000000000000000000000 13 SERVI CE FO 7 Troubleshooting 14 icta IRA 15 TECHNICAL INFORMATION 16 HR824 MK2 Specifications l6 GAS adiu NN 17 HR824 Block 18 o Please write the serial number for your studio monitor here all studio monitors if you have more th
3. Owner s Manual a The Cabinet The cabinet is made of MDF with a high gloss piano black finish Internal bracing increases the strength and rigidity stiffness of the box An open cell adiabatic foam material fills the inside of the box to absorb inter nal reflections and dampen standing waves Mounting hardware is installed on the bottom of the cabinet that fits the 60 0 WB OmniMount wall mount bracket see Placement on page 6 for more info FR Series Power Amplifiers What better way to power the loudspeakers than with our acclaimed FR Series Fast Recovery power amplifi ers Our Fast Recovery design uses low negative feed back yet allows the amplifiers to maintain low distor tion and stability even when driven into clipping The low frequency amplifier produces up to 150 watts continuous 350 watts peak before clipping while the high frequency amplifier produces up to 100 watts continuous 210 watts peak QUICK START We realize that you can t wait to hook 7 up your new Mackie HR824 MK2 High Resolution Studio Monitors and try SH them out Nevertheless please take SES the time to read this page NOW and the rest can wait until you re good and ready Each of the HR824 MK2 cabinets has its own built in power amplifiers That s right two amplifiers per speaker cabinet one for the high frequency tweeter and one for the low frequency woofer You should turn the INPUT SENSITIVITY 2 control on
4. 20 Hz 20 kHz unweighted referenced to 100 W into 6 ohms 102 dB Cooling Convection Design Conventional Class AB System Specifications Input Type Balanced Differential XLR and 1 4 TRS Unbalanced RCA Input Impedance 20 kQ Balanced 10 kQ Unbalanced Input Protection RFI and Level Protected Maximum Input Level 20 dBu Low Frequency Filter 3 dB 37 Hz 2nd order transitional high pass filter 3 dB 47 Hz 4th order Chebyshev high pass filter 3 dB 80 Hz 4th order Butterworth high pass filter HF Equalization 2 dB 10 kHz shelving Acoustic Space A position 4 dB 50 Hz shelving B position 2 dB 50 Hz shelving C position Flat Compressor Independent high and low frequency overload detection Low Line Voltage Shut Down 60 of Nominal Line Thermal Protection Amplifier Shut Down Auto Reset Muting 5 seconds at turn on Driver Protection Independent LF and HF Detection Overall Compression Acoustic Section Free Field Frequency Response 1 5 dB 37 Hz to 20 kHz Lower cutoff frequency 3 dB 35 Hz Upper cutoff frequency 3 dB 22 kHz Sound Pressure Level at 1 meter 1 5 dBu into balanced input 100 dB SPL 1m Maximum peak SPL per pair 120 dB SPL 1m Maximum short term SPL on axis half space 80 Hz to 2 5 kHz 111 dB SPL 1m Residual noise maximum gain 600Q source 20 Hz 20 kHz bandwidth lt 8 dB SPL 1m Rated Line Input Voltage and Power Po
5. THX PM3 APPROVED APPROVED HR824 MK2 High Resolution Active Studio Monitor OWNER S MANUAL IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Use a non scratch cloth to protect the finish SO un gt c Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with a cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combin
6. CHINA FABRIQUE EN CHINE COPYRIGHT 2005 S Q MACKIE FR SERIES AND THE RUNNING MAN FIGURE ARE TRADEMARKS OF LOUD TECHNOLOGIES INC e PATENT PENDING THX PM3 AND LUCASFILM ARE TRADEMARKS OF LUCASFILM LTD USED BY PERMISSION C A U T N WARN IN G TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE DO NOT REMOVE COVER RISK OF ELECTRIC SHOCK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL DOE AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION tisconnecr surpiy com cavenc se ATTENTION nacen num caca usn amp 1 This device may not cause SERIAL NUMBER This device complies with part 15 of the FCC Operation is subject to the following two con 2 This device must accept any interference including interference that may cause E ROHS v harmful interfer 10dB A tok Fah Mem O O QO 80Hz 47Hz 37Hz 2dB 0 24 ON CUAGER BENT W CUT NORMAL NORMAL 6 AUTO NORMAL SENSITIVITY ACOUSTIC SPACE LOW FREQ HIGH FREQ POWER MODE SIGNAL INPUTS BAL UNBAL PATENT NO MAINS INPUT DES 387 351 Cm E PHONE XLR RCA E 120VAC 7 60Hz 150W V 11111 MANUFACTURING DATE Owner s Manual HRe24 2 Feel free to experiment In many respects every room is unique in terms
7. Shield e The HR824 can be used with a home receiver even if the receiver lacks a preamp output by using a speaker level to line level signal attenuator See page 13 for more information HR824 MK2 2 INPUT SENSITIVITY 10dB OFF NORMAL INPUT SENSITIVITY THX NORMAL The HR824 MK2 expects a line level signal at its input connectors e The reference sensitivity is 7 5 dBu 100 dB SPL at one meter 39 inches with the INPUT SENSITIVITY control set to its NORMAL position in other words wide open e The HR824 MK2 is designed to operate with a 4 dBu signal when the INPUT SENSITIVITY control is in the NORMAL position e Refer to the QUICK START section on page 4 for the level setting procedure 3 ACOUSTIC SPACE O O QUARTER HALF WHOLE NORMAL ACOUSTIC SPACE THX WHOLE NORMAL This is a three way switch that adjusts the low fre quency response of the monitors to compensate for their placement in the room See page 5 for an overview of the rear panel e Ifyou place the HR824 MK2 monitors against a wall half space 3B set the ACOUSTIC SPACE switch to the position This activates a shelving filter to reduce the low frequency output by 2 dB to compensate for the half space placement e Ifyou place the monitors into the corners of your room quarter space 8A the low frequency output approximately doubles from what it is in half space Set the ACOUSTIC SPACE switch t
8. of its acoustics Even after you ve read about how to set the HR824 MK 2 s rear panel switches try other settings to see if your particular room environment requires different adjustments And even after you ve placed your monitors where you think theyll sound best try moving them around You might be pleasantly surprised Finally keep an open mind about improving your rooms acoustics and bass handling ability Nobody likes to buy a new set of monitor speakers and then be told that they should spend extra bucks on bass traps or a remodeling job But the simple fact is standard rooms i e rectangular rooms in convention al business or residential structures are rarely if ever conducive to optimal low bass reproduction without some modifications Luckily there are plenty of options short of building a new control room many of which are covered in this manual Additional Tidbits of Wisdom e When you shut down your equipment turn off the HR824 MK2 studio monitors first to prevent thumps and other noises generated by any upstream equipment from coming out the speakers When powering up turn on the monitors last e Save the shipping box You may need it someday and you don t want to have to pay for another one e Save your sales receipt in a safe place e Also record all HR824 MK2 serial numbers in the space provided on the next page along with where and when you bought them 6 HR824 M
9. original HR824s you won t have to relearn the sound The MK2s still deliver the clarity ultra linear frequency response and broad stereo imaging of the originals An elegant piano black gloss finish emphasizes that these studio monitors are in a class by themselves pleasing to the most discerning eye as well as the most discerning ear The result The HR824 MK2 Studio Monitors are extremely accurate and versatile loaded with unique con trols that allow you to fine tune the sound to match your individual environment precisely You re gonna love these What are they The Advantages The HR824 2 Studio Monitors are high resolution two way bi amplified active moni tors employing a 6th order Butterworth system with a built in rear firing mass loaded passive radiator Whew There are many benefits to integrating an active crossover power amplifi ers and drivers into a single cabinet and we ve taken full advantage of these benefits in the design of the HR824 2 e The crossover point is designed so that the high and low frequency drivers are fed only the frequencies they are best able to reproduce Figure 1 HR824 MK2 Cutaway side view e The amplifiers are designed to provide maximum acoustic output from the speakers yet minimize the danger of speaker damage due to overdriving e In addition the amplifiers gain and frequency re sponses are individually hand trimmed to compen sate for typical manufact
10. protective plastic film on the cabinet if you wish or you can remove all but the side that will be in contact with the surface it is sitting on to protect the finish Also you should save the protective plastic film to reapply to the cabinet in case you need to move it to another location or return for servicing Q gt The piano black finish on the HR824 2 cabinets is exceedingly beautiful yet extremely delicate Clean the outside of the cabinet with an optical grade non scratch cloth such as you would use to clean eyeglasses CDs or DVDs Owner s Manual SERVICE INFO Details concerning Warranty Service are spelled out in the Warranty section on page 19 If you think your monitor has a problem please check out the following troubleshooting tips and do your best to confirm the problem Visit the Support section of our website www mackie com support where you will find lots of useful information such as FAQs documentation and user forums You may find the answer to the prob lem without having to send your monitor away Troubleshooting No Power e Our favorite question Is it plugged in e Make sure the power cord is securely seated in the socket 7 and plugged all the way into the AC outlet e Make sure the AC outlet is live check with a tester or lamp e Is the power 9 switch on the front panel pushed in and the POWER MODE 6 switch on the rear panel in the
11. s possible your listening position coincides with a room mode where the low frequencies either become exaggerated or nulled If so try moving the monitors to a different position or moving your listening position Noise Hum Buzz e Check the signal cable between the mixer and the monitor Make sure all connections are secure These problems usually produce crackling noises hum or buzz e fconnecting an unbalanced output to the HR824 MK2 balanced input make sure the shield is connected to the unbalanced ground of the source and to pins 1 and 3 of the XLR or the sleeve and ring of the TRS jack e Ifa CATV cable is connected to the system try discon necting it If the hum goes away call your cable carrier to check for proper grounding of the cable e Make sure the signal cable is not routed near AC cables power transformers or other EMI sources including wall warts and line lumps These sources usually produce hum e 5 there a light dimmer or other triac based device on the same AC circuit as the monitor Dimmers cause buzzing noises Use an AC line filter or plug the monitor into a different AC circuit e Excessive hiss is an indication of an incorrect gain set ting somewhere before the speaker e If possible listen to the signal source with headphones plugged in If it sounds noisy there it s not the monitor hear sound from the monitors after switch the AC power off e Use the front panel switch to turn
12. tor for repair We suggest insurance for all forms of cartage You will need to contact the authorized service center for their latest turn around times when you call for your Service Request Number The monitor must be packaged in its original packing box and must have the Service Request Number on the box Once it s repaired the authorized service center will ship it back prepaid if it was a warranty repair Note Under the terms of the warranty you must ship or drop off the unit to an authorized service center The return ground shipment is covered for those units deemed by us to be under warranty Note You must have a sales receipt from an Autho rized Mackie Dealer to qualify for a warranty repair Owner s Manual E TECHNICAL INFORMATION HR824 MK2 Specifications Enclosure Materials and Construction 34 inch 19 mm thick MDF cabinet construction with internal bracing to add to cabinet stiffness Piano black gloss finish Die cast aluminum exponential wave guide for controlled wide dispersion from high frequency driver and Zero Edge Baffle to minimize diffraction around the cabinet edges Open cell adiabatic foam fill acoustical damping material ab sorbs internal reflections preventing delayed sound coloration Flush mount connector system allows monitor to be placed against a wall without need for connector clearance Transducers Low frequency driver Diameter Sensitivity 2 83V 1 m Nomi
13. K2 Placement The HR824 MK2s were designed to be placed in a vertical position If you find it necessary to place the speakers in a horizontal position on their sides place them so that the woofers are toward the inside that is so the woofers are closest to each other This provides the best low frequency summing and overall imaging The HR824 25 can also be wall mounted using the mounting hardware located on the bottom of the cabi net This is designed to be used with the OmniMount 60 0 WB Wall to Bottom wall mount bracket which provides a wide range of horizontal and vertical move ment to meet your coverage requirements Refer to the OmniMount website for more details www omnimount com pro product aspx ProductId 1ec10a27 b84e 4ec8 9155 db5b646335bd amp CurrentId 1 1 1 1 A Few Words About THX pm3 Certification Nearly two decades ago George Lucas turned a passion for great sound into the world s most accepted and trusted solution for achieving it The standard was named THX for Tomlinson Holman who developed the THX Sound System when he was the research and technical director at Lucasfilm Ltd in the early 80s and today with hundreds of thousands of home theater customers and more than 3000 THX Certified movie the aters enjoying its benefits the THX name has become nothing short of legendary Simply put when it comes to premium sound no other name so closely defines quality for millions of movie goers a
14. ON position e 5 the power ring 10 on the front panel illuminated If not make sure the AC outlet is live If so refer to No Sound below e Ifthe power ring is not illuminated and you are certain that the AC outlet is live it will be necessary to have the HR824 2 serviced There are no user serviceable parts inside Refer to Repair at the end of this section to find out how to proceed No Sound e 5 power ring 10 on the front panel illuminated If not refer to Power above e Isthe INPUT SENSITIVITY 2 control turned up e 5 the signal source turned up Make sure the signal level from the mixing console or whatever device immedi ately precedes the studio monitor is high enough to produce sound e jfitsastereo pair try switching them around For example if a left output is presumed dead switch the left and right cords at the monitor end If the problem switches sides it s not the monitor It could be a bad cable or no signal from the mixer HR824 MK2 Bad Sound e 5 the input connector plugged completely into the jack If using a TS or TRS plug make sure it is plugged all the way in e sit loud and distorted Reduce the signal level at the mixer e If possible listen to the signal source with headphones plugged into the preamp stage If it sounds bad there it s not the monitor e Toomuch bass or not enough bass Move around the room and see if the bass response changes It
15. Technologies Inc K THE WARRANTY GIVEN ON THIS PAGE IS THE SOLE WARRANTY GIVEN BY LOUD TECHNOLOGIES INC AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS AND IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE WARRANTY GIVEN ON THIS PAGE SHALL BE STRICTLY LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL PURCHASE FROM AN AUTHORIZED MACKIE DEALER UPON EXPIRATION OF THE APPLICABLE WARRANTY PERIOD LOUD TECHNOLOGIES INC SHALL HAVE NO FURTHER WARRANTY OBLIGATION OF ANY KIND LOUD TECHNOLOGIES INC SHALL NOT BE LIABLE FOR ANY INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES THAT MAY RESULT FROM ANY DEFECT IN THE MACKIE PRODUCT OR ANY WARRANTY CLAIM Some states do not allow exclusion or limitation of incidental special or consequential damages or a limitation on how long warranties last so some of the above limitations and exclusions may not apply to you This warranty provides specific legal rights and you may have other rights which vary from state to state Owner s Manual e 16220 Wood Red Road NE Woodinville WA 98072 USA United States and Canada 800 898 3211 Europe Asia Central and South America 425 487 4333 Middle East and Africa 31 20 654 4000 Fax 425 487 4337 www mackie com E mail sales mackie com
16. al Example 90 Duo in small club 92 95 Subway Train 97 100 Very loud classical music 102 105 Home theater loudest peaks 0 5 110 0 25 or less 115 Loudest parts at a rock concert WARNING To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture INTRODUCTION Thank you for choosing the Mackie HR824 MK2 Studio Monitors We began producing the original HR824 Studio Monitors in 1997 and they quickly became the standard by which near field studio reference monitors were compared for extremely flat frequency response at a reasonable price The HR824 MK2s have been rede signed with modern components for improved accuracy and an extended low frequency response Investments in Excellence When we decided it was time to update the HR824s we turned to our expert loudspeaker and transducer de sign engineering team at KAW to determine how to make an already excellent studio monitor even better The first thing they noticed was that the front baffle could be redesigned with a rounder aluminum construction to further reduce edge diffraction for improved imag ing The volume of the cabinet was increased slightly to improve the low frequency response The amplifiers have been adjusted with all new voicing to match the new cabinets However the amplifiers design is fundamental ly the same and has a very similar characteristic to the original model If you are upgrading from the
17. an one for future reference i e insurance claims tech support return authorization etc Monitor 2 Monitor 3 Date of Purchase Owner s Manual REAR PANEL DESCRIPTION This is where you connect your signal to the monitor and make adjustments to the frequency response of the speakers to match the monitor s location and your room s environment For THX applications the rear panel switches and controls should be set to the THX positions as indicated in this section a gt 1 SIGNAL INPUTS The location of the signal input jacks makes the con nectors exit down and not straight out the back of the enclosure This flush mount design allows you to place the monitor right up against the wall if desired e The XLR female TRS female balanced and RCA female unbalanced input connectors are provided for user convenience e Dont connect more than one source to the jacks e Unbalanced TS tip sleeve lines can be accommodated via the TRS jack Make sure the cable terminates with a TS plug like a guitar plug or if it s a TRS plug such as a headphone plug make sure the ring is tied to the sleeve and that the plug is fully inserted into the jack e The XLR and TRS input connectors accept balanced or unbalanced signals The connectors are wired as follows per the AES IEC standard XLR TRS RCA Hot Pin2 Tip Cold Ping Ring Shield Ground Pin 1 Shield
18. ation to avoid injury from tip over PORTABLE CART WARNING Carts and stands The Component should be used only with a cart or stand that is recommended by the manufacturer A Component and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the Component and cart combination to overturn CAUTION AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL ATTENTION POUR EVITER LES RISQUES DE CHOC ELECTRIQUE NE PAS ENLEVER LE COUVERCLE AUCUN ENTRETIEN DE PIECES INTERIEURES PAR L USAGER CONFIER L ENTRETIEN AU PERSONNEL QUALIFIE AVIS POUR EVITER LES RISQUES D INCENDIE OU D ELECTROCUTION N EXPOSEZ PAS CET ARTICLE A LA PLUIE OU A L HUMIDITE The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons Le symbole clair avec point de fl che l int rieur d un triangle quilat ral est utilis pour alerter l utilisateur de la pr sence a l int rieur du coffret de vollage dangereux non isol d ampleur suffisante pour constituer un risque d l ctrocution The exclamation po
19. ed Lucasfilm is a trademark of Lucasfilm Ltd This manual also contains names and marks of other companies which belong to those respective companies and are hereby acknowledged HR824 2 design protected under the following pat ent DES 387 951 2007 LOUD Technologies Inc All Rights Reserved HR824 MK2 Limited Warranty Please keep your sales receipt in a safe place A LOUD Technologies Inc warrants all materials workmanship and proper operation of this product for a period of one year from the original date of purchase If any defects are found in the materials or workmanship or if the product fails to function properly during the applicable warranty period LOUD Technologies at its option will repair or replace the product This warranty applies only to equipment sold and delivered within the U S by LOUD Technologies Inc or its authorized dealers B Failure to register online or return the product registration card will not void the one year warranty C Service and repairs of Mackie products are to be performed only at a factory authorized facility see D below Unauthorized service repairs or modification will void this warranty To obtain repairs under warranty you must have a copy of your sales receipt from the authorized Mackie dealer where you purchased the product It is necessary to establish purchase date and determine whether your Mackie product is within the warranty period D To obtain factor
20. holes have tubes ducts in them The dimensions of the holes and the volume of the cabinet work with the characteristics of the woofer to produce low frequency extension These systems are characterized by good low frequency performance down to the dB frequency set by the design Below this frequency the frequency response falls at 24 dB octave or more The HR824 MK2 is a bass reflex 6th order system Rather than use ports the vent takes the form of a pas sive radiator a mass loaded flat piston coupled to the air trapped within the enclosure You can t see the passive radiator because it is located at the rear of the cabinet behind the power amplifier assembly Simple ports or ducts must have sufficient surface area to prevent the velocity of the air within them from exceeding 5 of the speed of sound which keeps the vent from becoming audible breathing and wheezing sounds at high signal levels This requirement for sufficient surface area creates a design problem when using ports finding enough space in the enclosure for them to fit The passive radiator replaces the port found on most speaker systems It offers several advantages to simple porting One primary advantage of a passive radiator is that it can reproduce low frequencies with lower distortion and at a higher sound pressure level SPL than a simple port or duct Our unique passive radiator design uses a flat dia phragm providing exceptional stiffness
21. ill active but the power consumption of the cir cuitry is minimal 8 watts e Flip the switch to the ON position and the power ampli fiers are live and operate normally The front panel power 9 switch must also be IN e When it s in the AUTO ON position the amplifiers turn on and off depending on the presence or absence of an input signal An input signal level of 45 dBu mini mum activates the auto on function A silent period greater than eight minutes activates the auto off func tion The power ring 10 on the front panel reflects the state of the amplifiers 7 Mains Input Connect the power cord to this IEC socket and plug the other end into your AC outlet e When the POWER MODE 6 switch is in the ON position and the front panel power switch 9 is in the IN position applying AC power activates the muting circuit for about four seconds while the power supply and internal circuitry stabilize then the HR824 MK2 unmutes and is ready to go 8 Passive Radiator When you mount a loudspeaker in a box there are two things that you can do with the radiation from the rear of the cone use it to enhance the low frequency performance of the speaker system bass reflex system or soak it up acoustic suspension system bass reflex system uses the rear radiation to extend the low frequency response Most systems provide holes ports in the front or back of the cabinet to release the rear wave Sometimes the
22. int within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance Le point d exclamation l int rieur d un triangle quilat ral est employ pour alerter les utilisateurs de la pr sence d instructions importantes pour le fonctionnement et l entretien service dans le livret d instruction accompagnant l appareil HR824 MK2 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 This apparatus shall not be exposed to dripping or splashing and no object filled with liquids such as vases shall be placed on the apparatus 16 This apparatus has been designed with Class construction and must be connected to a mains socket outlet with a protective earthing con nection the third grounding prong 17 Note that this apparatus is not completely disconnected from the AC mains service when the power switch is in the OFF position 18 This apparatus does not exceed the Class A Class B whichever is applicable limits for radio noise emission
23. nal Impedance Voice Coil Diameter 8 75 inches 222mm 91 dB SPL 4 ohms 1 6 inches 40 mm Frame Die cast magnesium Magnet Ferrite Fully shielded Ferrite opposing magnet High frequency driver Sensitivity 2 83V 1m 91 dB SPL Nominal Impedance 6 Power Handling Long Term Program 20 50 watts Frequency Range 1 6 kHz to 22 kHz Diaphragm Suspension Titanium with polymer suspension Voice Coil Diameter 1 0inch 25 4 mm Magnet Neodymium Bucking Magnet Ferrite opposing magnet Passive Radiator 6 inch x 12 inch 152mm x 305mm mass loaded elliptical flat piston with variable thickness filleted edge rubber surround Crossover Section Crossover Type Modified Linkwitz Riley 24 dB octave 1900 Hz HR824 MK2 Amplifier Section Low frequency power amplifier Rated Power at 1 kHz with 1 THD 150 watts Rated Load Impedance 4 ohms Burst Power Output 350 watts Rated THD 1W to 1 dB of rated power 0 1 Slew Rate 35V nS Distortion THD SMPTE IMD DIM 100 0 03596 signal to Noise 20Hz 20kHz unweighted referenced to 150W into 40 102 dB Cooling Convection Design Class AB Parametric Servo Feedback High frequency power amplifier Rated Power at 1 kHz with 196 THD 100 watts Rated Load Impedance 6 ohms Burst Power Output 210 watts Rated THD 1W to 1 dB of rated power 0 1 96 Slew Rate 35V nS Distortion THD SMPTE IMD DIM 100 0 03596 signal to Noise
24. nd home theater enthusiasts alike Today a new landscape is emerging A landscape com prised of hundreds of small professional multi channel facilities whose need for differentiation expert techni cal and marketing support and a true multi channel Note The Mackie logo can be rotated 90 so that 1t 1s oriented correctly when placing the speakers on their sides Gently pull out on the Mackie emblem rotate it and push it back into place standard is becoming a competitive fact of life Again THX has a singular solution and this time it s called THX pm Certification All facilities involved with mixing and or monitoring of multi channel material should have the option to use pms THX pm Certification is ideal for DVD mastering sweetening and mixing and is also perfect for facilities doing work in broadcast music or multi media applica tions HR824 MK2 THX pm3 Certification When we submitted the HR824 MK2s for THX pm3 Certification they passed on the first try with no modifi cations Anyone seeking THX Certification for their studio or striving to maintain THX standards can use the HR824 MK2s and rest assured that their facility is in full compliance Monitor 1 Be ad gt Purchased at Part No 0022104 Rev B1 11 07 2007 LOUD Technologies Inc All Rights Reserved Contents IMPORTANT SAFETY INSTRUCTIONG 2 INTRODUCTION
25. ng the low frequency content allows raising the mid frequency level some what If your client insists on mixing LOUD this may be a workable strategy 5 HIGH FREQ FILTER pwr 2dB 0 NORMAL 2dB HIGH FREQ THX 0 dB The HIGH FREQ FILTER switch tailors the overall high frequency response by 2 dB beginning at 10kHz Leave this switch in the 0 NORMAL position unless e You want to subtly brighten or darken the sound of the speakers e Perhaps you have hearing loss caused by too many nights in front of a double Marshall stack e You just like to mix on the bright side or dull side If your mixes consistently sound dull or dark when you listen elsewhere this usually indicates that your monitors are too bright relative to your normal hearing A bit less high frequency energy usually fixes this and you can force the mix in this direction by reducing the high frequency output of the monitors by using the 2 dB position of the switch 10dB are re d ai NORML O O 47Hz 37Hz 2dB 0 2dB STANDBY ON QUARTER HALF WHOLE LOW CUT NORMAL NORMAL AUTO INPUT MAL SENSITIVITY ACOUSTIC SPACE LOW FREQ HIGH FREQ POWER MODE SIGNAL INPUTS BAL UNBAL i PHONE XLR V V V PATENT NO MAINS INPUT DES 387 351 Cm E RCA Ld 120VAC 60 Hz 150W V Owner s Manual 9 Conversely if your mixes are consistently too bright then adding some additional high frequency energy in the monit
26. o the A position to reduce the low frequency output by 4 dB to compensate for the quarter space placement e Ifyou use the HR824 MK2s free standing away from walls and corners whole space 9C set the ACOUS TIC SPACE switch to the position NORMAL 4 LOW FREQ FILTER acu 80Hz 47Hz 37Hz LOWCUT NORMAL LOW FREQ THX 80Hz The LOW FREQ FILTER switch inserts a low frequency rolloff into the response curve e For some applications the low frequency output of the HR824 MK2 may impair your ability to make mix judge ments e For THX applications use the 80Hz setting e For non THX applications where a sub woofer isn t en hancing low frequency output use the 37Hz NORMAL position e The LOW FREQ switch affects the low frequency con tent of your mix Remember how things work in reverse so removing the deep bass content on playback may actually increase it in the final mix e You can use the LOW FREQ switch s 80Hz position to simulate a smaller loudspeaker especially one with limited low frequency capability like a certain popular 2 way nearfield monitor You may need to do this if a small speaker is the eventual destination of your mix or perhaps Just to see how your mix sounds on a clock radio Removing the low frequency content also allows you to raise the overall output level somewhat Low frequency information requires the largest amount of an amplifier s output so restricti
27. or preamp down 5 Pushin the power switch 9 on the front of the HRS24 MK2 The power ring 10 around the switch will illumi nate 6 Slowly turn up the INPUT SENSITIVITY 2 control on the back of the monitor to its fully clockwise position NORMAL 7 Adjust the master volume on your mixer to a comfort ably loud listening level Enjoy the silky smooth highs and authoritative commanding lows of the HR824 MK2 Then read the rest of this manual AN EXTREMELY IMPORTANT NOTE ON HR324 BASS RESPONSE AND YOUR CONTROL ROOM Your new HR824 MK2s achieve their best bass response in a room that s optimized for bass reproduction lot of factors can conspire to thwart the HR824 MK2s extended low frequency including room shape room volume and acoustical treatment em gt This is not a cop out or an apology It s plain old physics in action Luckily we ve armed you with some compensating controls that you can use to optimize the frequency response of the speakers in your particular room Consider the following The ACOUSTIC SPACE switch must be set correctly When you put your HR824 in a corner or up against walls their bass characteristics change Adjust the ACOUSTIC SPACE 3 switch setting accordingly to avoid muddy or exaggerated low frequency response are b DESIGNED BY MACKOIDS IN WOODINVILLE WA USA MANUFACTURED IN
28. ors satisfies your ears and the resultant mix has less HF content The timbre of your monitors affects the way that your mixes play on other equipment Remember that the moni tors have a mirroring effect on the mix if the monitors make something too loud in the mix it usually results in not enough of that thing on tape E Q WJ e Start with the response modification switches in the factory recommended settings see Quick Start Sec tion After prolonged listening if you notice a trend in your mixes perhaps making some small adjustments as suggested here will help It s a real rush to mix really loud But remember that the resulting mix only sounds good when you play it at least that loud However strange it may sound mixes made at lower levels sound even better when played loud perhaps even a bit bigger than life Get that sound level meter out Decide what level you re going to mix at and use the meter to help keep your mixing at that level Your ears will thank you and your mixes will be better for it HR824 MK2 6 POWER MODE STANDBY ov POWER MODE This 3 position switch turns the amplifiers on or off or sets them to automatic mode Use this switch to set the HR824 MK2s to your preferred mode of operation and use the front panel power 9 switch for convenience e Inthe STANDBY position the power amplifiers are in Standby mode and produce no sound Low level circuitry is st
29. s This is okay although distortion may be audible e Frequent or continuous blinking of the overload indica tor means that you have exceeded the maximum drive allowed for the speakers The amplifiers are clipping and the overload protection circuit has taken over re ducing the input level You should reduce the level from your signal source until the overload indicator blinks occasionally or not at all PROTECTION CIRCUITS There are a number of protection mechanisms de signed into the HR824 MK2 to safeguard the loudspeak ers from inadvertent damage CAUTION The protection circuits are designed to prevent damage to the loudspeakers under reasonable and sensible conditions Should you choose to ignore the warning signs i e frequent overload indications excessive distortion you can still damage the speakers in the HR824 MK2 by overdriving them Such damage is beyond the scope of the warranty POWER MODE Overload Protect e Ifyou see the overload indicator 10 blinking more than just occasionally it s an indication that you should reduce the signal level coming from your mixer or other signal source e The blinking overload indicator means the driver thermal overload protection has activated a compressor This reduces the input level to the amplifiers e compressor was designed to protect the speakers and its action is highly audible If a client insists on listening to the monitors a
30. s of this warranty will be repaired or replaced within thirty days of receipt LOUD Technologies and its authorized service centers may use refurbished parts for repair or replacement of any product Products returned to LOUD Technologies that do not meet the terms of this Warranty will be not be repaired unless payment is received for labor materials return freight and insurance Products repaired under warranty will be returned freight prepaid by LOUD Technologies to any location within the boundaries of the USA G LOUD Technologies warrants all repairs performed for 90 days or for the remainder of the warranty period This warranty does not extend to damage resulting from improper installation misuse neglect or abuse or to exterior appearance This warranty is recognized only if the inspection seals and serial number on the unit have not been defaced or removed H LOUD Technologies assumes no responsibility for the quality or timeliness of repairs performed by an authorized service center I This warranty is extended to the original purchaser and to anyone who may subsequently purchase this product within the applicable warranty period A copy of the original sales receipt is required to obtain warranty repairs J This is your sole warranty LOUD Technologies does not authorize any third party including any dealer or sales representative to assume any liability on behalf of LOUD Technologies or to make any warranty for LOUD
31. s trom digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications ATTENTION Le pr sent appareil num rique n met pas de bruits radio lectriques d passant las limites applicables aux appareils num riques de class A de class B selon le cas prescrites dans le r glement sur le brovillage radio lectrique dict par les ministere des communications du Canada 19 Exposure to extremely high noise levels may cause permanent hearing loss Individuals vary considerably in susceptibility to noise induced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a period of time The U S Government s Occupational Safety and Health Administration OSHA has specified the permissible noise level exposures shown in the following chart According to OSHA any exposure in excess of these permissible limits could result in some hearing loss To ensure against potentially danger ous exposure to high sound pressure levels it is recommended that all persons exposed to equipment capable of producing high sound pres sure levels use hearing protectors while the equipment is in operation Ear plugs or protectors in the ear canals or over the ears must be worn when operating the equipment in order to prevent permanent hearing loss if exposure is in excess of the limits set forth here Sound Level dBA Slow Response Duration Per Day In Hours Typic
32. t a very high volume you may find that the overload indicator lights frequently Since the majority of the power requirement in any monitor are the low frequencies selectively reducing the low end can provide a little more headroom and volume for the monitors Change the LOW FREQ FILTER 4 switch to 80Hz if necessary to reduce the bass response This may allow the HR824 MK2s to play just enough louder to satisfy the client and to eliminate most of the amplifier clipping A CLOSER LOOK Thermal Protect All amplifiers produce heat The HR824 MK2 is de signed to be efficient both electrically and thermally e some reason the heatsinks get too hot a thermal switch activates placing the HR824 MK2 into Standby mode indicated when the power ring 10 turns off e Should this happen make sure that airflow to the rear of the cabinet is not restricted e When the heatsinks cool down to a safe temperature the switch resets and normal operation resumes Integrated Magnetic Shielding The HR824 MK2 Studio Monitor contains drivers with large magnet structures The drivers magnets are shielded to help prevent the magnetic field from radiat ing out into the environment and playing havoc with computer monitors or TV screens Unshielded speakers can cause distortion in both the shape and color of the picture if placed too close to a CRT cathode ray tube If you have a particularly sensitive computer monitor or TV screen it ma
33. the back of the cabinet down fully counterclockwise before turning on the Studio Monitors for the first time Also be sure to set the power switch 9 on the front panel to its standby position out This will prevent you from acci dentally connecting a hot signal source to the monitors and getting a rude surprise KC There are a number of other settings you can make on the back of the HR824 MK2 and you can look at the graphic instructions relating to each of them on the back of the cabinet or wait until you read about them later on in this manual so you really know what they do For now just leave them at the factory default settings ACOUSTIC SPACE WHOLE LOW FREQ 49Hz HIGH FREQ 0 except for the POWER MODE 6 switch Be sure it is set to the STANDBY position 4 HR824 MK2 1 Connect the line level monitor signal from your mixer preamp or other signal source to the SIGNAL INPUT 1 jack on the HR824 MK2 Studio Monitor 14 inch PHONE XLR or RCA 2 Connect the supplied AC power cord to the IEC socket 7 on the back of the monitor Plug the other end into an AC outlet properly configured with the correct volt age for your particular model 3 Set the POWER MODE 6 switch on the rear panel to the ON position With the front panel power switch 9 out the power amplifier is in Standby mode 4 Start your signal source tape deck CD DAW or whatever but leave the master volume control on your mixer
34. the monitors on and off or turn off the signal going to the monitors when the AC power is turned off If your HR824 MK2 needs service follow these instructions li Review the preceding troubleshooting suggestions Please Call Tech Support at 1 800 898 8211 7 am to 5 pm PST to explain the problem and obtain a Service Request Number Have your HR824 MK2 s serial number ready Service for Mackie products living outside the United States can be obtained through local dealers or distributors You must have a Service Request Number before you can obtain factory authorized service Keep this owner s manual and the detachable line cord We don t need them to repair the preamp Reapply the protective plastic film on the sides of the cabinet to protect the finish Pack the monitor in its original package including endcaps and box This is VERY IMPORTANT When you call for the Service Request Number please let Tech Support know if you need new packaging Mackie is not responsible for any damage that occurs due to non factory packaging nclude a legible note stating your name shipping address no P O boxes daytime phone number Service Request Number and a detailed description of the problem including how we can duplicate it Write the Service Request Number in BIG PRINT on top of the box Units sent without the Service Request Number will be refused Tech Support will tell you where to ship the moni
35. to the radiating surface The elliptical shape of the passive radiator takes up nearly the entire surface area available on the rear of the enclosure allowing the passive radiator to move more air than a port Passive Radiator Owner s Manual FRONT PANEL DESCRIPTION 9 Power Switch Use this switch to turn on or off the HR824 MK2 from the front It works with the POWER MODE 6 switch on the rear panel in the following way e Ifthe POWER MODE switch on the rear panel is set to STANDBY the front panel power 9 switch has no effect The power 10 ring remains off e Ifthe POWER MODE switch is ON the front panel power switch turns the HR824 MK2 on or returns it to STANDBY mode as indicated by the power ring e Ifthe POWER MODE switch is in the AUTO ON posi tion the front panel power switch turns the HR824 MK2 on even when there is no signal present If there is no signal after about two minutes the auto off function is activated and the amplifiers go into Standby mode indicated when the power ring goes off 10 Power Ring and Overload Indicator The power ring around the power switch illuminates when the power amplifiers are on and turns off when the amplifiers are in Standby mode or off The power ring turns red when the overload protec tion circuit has been triggered e Occasional blinking of the overload indicator means that the loudest transients are reaching the maximum drive capability of the amplifier
36. uring tolerances between the drivers and produce a smooth frequency response from 35 Hz to 20 kHz e The connecting wires between the amplifier outputs and the drivers are kept to an absolute minimum so the damping factor of the amplifier isn t compro mised by the resistance of long speaker cables e The acoustic sum of the outputs from the two driv ers are optimized electronically as well as physi cally so the amplitude response is unity and the phase difference is minimal n short all the complex interconnected components in the system are designed to work in harmony with each other to produce the best possible sound The Transducers The monitors feature an 8 75 inch high precision low distortion woofer and a 1 inch ferrofluid cooled titanium dome tweeter on the front and a 6 inch x 12 inch ellipti cal flat piston passive radiator in the back The high frequency driver is mounted on a massive acoustically non resonant die cast aluminum exponential waveguide which results in wide controlled dispersion of high frequency sounds The unique passive radiator design provides tight articulate bass response down to 35 Hz an astounding accomplishment for a cabinet of this size And since the radiator is producing most of the sound at the lowest frequencies there is very little distortion from the woofer because its cone movement is minimal at those frequencies Passive Radiator Power Amplifier Crossover Assembly
37. wer consumption Standby mode 8 watts Quiescent idle 18 watts Musical Program Loud mix 135 watts Rated Power For UL 6500 CSA E65 94 EN 60065 150 watts US 120 VAC 60 Hz Europe 240 VAC 50 Hz Korea 220 VAC 60 Hz Japan 100 V 50 60 Hz Note The HR824 MK2 does not support multiple voltage configurations Make sure the voltage rating for your particular model as indicated on the rear panel near the IEC socket cor responds with your local AC mains voltage Physical Properties Height 16 8 in 42 5 cm Width 10 8 in 27 3 cm Depth Enclosure 11 4 in 29 0 cm Depth Overall 13 8 in 35 1 cm Weight 34 6 1b 15 7 kg LOUD Technologies is always striving to improve our products by incorporating new and improved materials components and manufacturing methods Therefore we reserve the right to change these specifications at any time without notice He 10 8 27 3 cm Graphs HR824 Acoustic Space Filter Response 1 i 1 1 0 1 i E a ixi a A ao 5 A a TITITTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTIT TITTTTTTTTITTITTTTTTETTTTTTITTTTTTTTTTTTTTIT HR824 High Frequency EQ Filter Response HR824 Low Frequency Filter Response
38. y authorized service 1 Call Mackie Technical Support at 800 898 3211 7 AM to 5 PM Monday through Friday Pacific Time to get a Service Request Number Products returned without a service Request Number will be refused 2 Pack the product in its original shipping carton Also include a note explaining exactly how to duplicate the problem a copy of the sales receipt with price and date showing and your return street address no P O boxes or route numbers please If we cannot duplicate the problem or establish the starting date of your Limited Warranty we may at our option charge for service time 3 Ship the product in its original shipping carton freight prepaid to the authorized service center The address of your closest authorized service center will be given to you by Technical Support IMPORTANT Make sure that the Service Request Number is plainly written on the shipping carton E LOUD Technologies reserves the right to inspect any products that may be the subject of any warranty claims before repair or replacement is carried out LOUD Technologies may at our option require proof of the original date of purchase in the form of a dated copy of the original dealer s invoice or sales receipt Final determination of warranty coverage lies solely with LOUD Technologies F Any products returned to one of the LOUD Technologies factory authorized service centers and deemed eligible for repair or replacement under the term
39. y be necessary to move the speakers a few inches away Input Signal Wiring You should use high quality shielded cable to connect the signal source to the SIGNAL INPUT jack 1 on the HR824 MK2 e Foil shielded cables such as Belden 8451 8761 or 9501 are commonly used for studio wiring e Microphone cables work well e The better the shield the better the immunity from externally induced noise like EMI and RFI Route the cable away from AC power cords and outlets These are common sources for hum in an audio signal Wall warts and line lumps are especially insidious hum inducers You can purchase quality cables from your Mackie dealer e ncertain home theater applications it may be nec essary to connect the speaker outputs from a stereo receiver to the inputs of the HR824 25 if the receiver doesn t have preamp outputs or other line level output connections CAUTION Do not attempt to con nect a speaker output directly to the input of the HR824 MK2 Speaker levels are much higher than line lev els and can damage the input circuitry in the HR824 MK2 e Be por gt You can however insert a speaker level to line level signal attenuator between the receiver s speaker output and the HR824 MK2 s input Your Mackie dealer may be able to help you find one or you can build your own CARE AND CLEANING Remove the protective plastic film that encases the cabinet Note You may leave the
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