MB QUART 2-Channel User's Manual
Contents
1. MBQUARTE German Engineering RAA2400 Reference Series 2 Channel Amplifier nie e fu zionament 3 INTRODUCTION Dear Customer Congratulations on your purchase of the world s finest brand of car audio equipment At MB Quart we are pleased you chose our product Through years of engineering expertise hand craftsmanship and critical testing procedures we have created a wide range of products that reproduce music with all the clarity and richness you deserve For maximum performance we recommend you have your new MB Quart product installed by an Authorized MB Quart Dealer Please read your warranty and retain your receipt and original carton for possible future use Great product and competent installations are only a piece of the puzzle when it comes to your system Make sure that your installer is using quality accessories in your installation Poor quality RCA cables and speaker wire can effect the performance and sound quality of your system When installing or having your system installed use the best Insist on it After all your new system deserves nothing but the best To get a free brochure on MB Quart products and accessories in the U S call 1 800 962 7757 or FAX 1 800 327 3777 For all other countries call 49 6261 638 0 or FAX 49 6261 638 129 PRACTICE SAFE SOUND Continuous exposure to sound pressure levels over 100dB may cause permanent2. Welcome to MB Quart This manual is designed to provide information for the owner salesperson and installer For those of you who want quick information on how to install this product please turn to the Installation Section of this manual Other information can be located by using the Table of Contents We at MB Quart have worked very hard to make sure all the information in this manual is current But as we are constantly finding new ways to improve our product this information is subject to change without notice SAFETY INSTRUCTIONS This symbol with WARNING is intended to alert the user to the NWARNING presence of important instructions Failure to heed the instructions will result in severe injury or death This symbol with CAUTION is intended to alert the user to the NCAUTION presence of important instructions Failure to heed the instructions can result in injury or unit damage CAUTION To prevent injury and damage to the unit please read and follow the instructions in this manual We want you to enjoy this system not get a headache IN CAUTION If you feel unsure about installing this system yourself have it installed by an authorized MB Quart dealer AN CAUTION Before installation disconnect the battery negative terminal to prevent damage to the unit fire and or possible injury CONTENTS OF GARTON Model RAA2400 2 Channel Amplifier 2 Speaker Plug Connectors Installation amp Operation Manual 1 Power P
3. See Specifications for fuse ratings 5 Power Plug Receptacle Receptacle for the power plug connector The power 12V DC and ground wire connectors will accommodate up to a 2 AWG wire The Remote wire connector will accommodate sizes from 12 AWG to 18 AWG The Remote terminal is used to remotely turn on and turn off the amplifier when 12V DC is applied INSTALLATION INSTALLATION CONSIDERATIONS The following is a list of tools needed for installation Volt Ohm M eter Hand held drill w assorted bits Wire strippers 1 8 diameter heatshrink tubing Wire crimpers Assorted connectors Wire cutters Adequate Length Red Power Wire 2 Phillips screwdriver Adequate Length Remote Wire Battery post wrench Adequate Length Black Grounding Wire This section focuses on some of the vehicle considerations for installing your new amplifier Pre planning your system layout and best wiring routes will save installation time When deciding on the layout of your new system be sure that each component will be easily accessible for making adjustments INSTALLATION CAUTION If you feel unsure about installing this system yourself have it installed by a authorized M B Quart Dealer A CAUTION Before installation disconnect the battery negative terminal to prevent damage to the unit fire and or possible injury Before beginning any installation follow these simple rules Be sure to carefully read and understand the instructi
4. maximize the performance of your amplifier we suggest the use of a heavy duty battery and an energy storage capacitor INSTALLATION WIRING THE SYSTEM CAUTION If you do not feel comfortable with wiring your new unit please see your local AN authorized MB Quart Dealer for installation CAUTION Before installation disconnect the battery negative terminal to prevent damage to the unit fire and or possible injury CAUTION Avoid running power wires near the low level input cables antenna power AN leads sensitive equipment or harnesses The power wires carry substantial current and could induce noise into the audio system 1 Plan the wire routing Keep RCA cables close together but isolated from the amplifier s power cables and any high power auto accessories especially electric motors This is done to prevent coupling the noise from radiated electrical fields into the audio signal When feeding the wires through the firewall or any metal barrier protect them with plastic or rubber grommets to prevent short circuits Leave the wires long at this point to adjust for a precise fit at a later time 2 Remove the four 4 8 32 allen head screws holding the connection end cover in place this is the end without the vents for the fans Keep the cover and screws in a safe place for reinstallation when mounting and wiring is complete 3 Prepare the RED wire power cable by stripping 1 2 of insulation from the end of the wire Insert t
5. switch in the LPF position Out Position sets osv Mor the amplifier to the Low Pass mode enabling frequencies mE below the cut off point to pass Multiplier Switch This switch sets the multiplier for the crossover frequencies Placing the switch in the x10 position In Position sets the adjustable crossover frequency to 500 5KHz 5000Hz Placing the switch in the x1 position Out Position sets the adjustable crossover frequency to 50 500Hz Frequency Adjustment After setting the Frequency Switch and Multiplier Switch use the Frequency Adjuster to set the desired cut off point Turning the adjuster counter clockwise decreases the set frequency Turning the adjuster clockwise increases the set frequency Quick Setting Decrease the crossover frequency all the way down With the system playing increase the crossover frequency up slowly until the desired crossover point is achieved GAIN Do the following individually for each channel Turning the adjuster clockwise decreases the set gain Turning the adjuster counter clockwise increases the set gain 1 To adjust the gain setting turn the amplifier gains all the way down clockwise 2 Turn the source unit volume up until distortion is audible and then turn it down a bit until the distortion is inaudible This will be about all the way up on most source units 3 Increase the amplifier gain setting until adequate volume is achieved or clipping is noted by th
6. Products found to be defective during the warranty period will be repaired or replaced with a product deemed to be equivalent at MB Quart s discretion What is Not Covered 1 Damage caused by accident abuse improper operations water theft shipping 2 Any cost or expense related to the removal or reinstallation of product 3 Service performed by anyone other than MB Quart or an Authorized MB Quart Service Center 4 Any product which has had the serial number defaced altered or removed 5 Subsequent damage to other components 6 Any product purchased outside the U S 7 Any product not purchased from an Authorized MB Quart Dealer Limit on Implied Warranties Any implied warranties including warranties of fitness for use and merchantability are limited in duration to the period of the express warranty set forth above Some states do not allow limitations on the length of an implied warranty so this limitation may not apply No person is authorized to assume for MB Quart any other liability in connection with the sale of the product How to Obtain Service Contact the Authorized MB Quart Dealer you purchased this product from If you need further assistance call 1 800 962 4412 for MB Quart Customer Service You must obtain an RA Return Authorization number to return any product to MB Quart You are responsible for shipment of product to MB Quart EU Warranty This product meets the current EU warranty requirements see your Authorized deale
7. Slope 12dB octave Butterworth Crossover Frequency Multiplier X1 variable from 50Hz to 500Hz Crossover Frequency Multiplier X10 variable from 500Hz to 5KHz Frequency Response 0 25Hz to 100kHz 3dB 1watt Rated Bandwidth 20Hz to 20kHz Signal Voltage Adjustment Range RCA Input Variable from 0 15V to 8V Protection Shorted output DC offset thermal power supply over current Input Impedance 20k ohms These specifications are Amplifier Power Standard CEA 2006 Compliant Specifications subject to change without notice 12 Limiten WARRANTY INFORMATION MB Quart Corporation offers a limited warranty on MB Quart products on the following terms Length of Warranty R Series Amplifiers 1 Year Or two 2 years warranty if installed by a Authorized MB Quart Dealer Requires proof of purchase What is Covered This warranty applies only to MB Quart products sold to consumers by Authorized MB Quart Dealers in the United States of America or its possessions Product purchased by consumers from an Authorized MB Quart Dealer in another country are covered only by that country s Distributor and not by MB Quart Who is Covered This warranty covers only the original purchaser of MB Quart product purchased from an Authorized MB Quart Dealer in the United States In order to receive service the purchaser must provide MB Quart with a copy of the receipt stating the customer name dealer name product purchased and date of purchase
8. a 3 16 allen wrench to secure the cable in place Connect the other end of the Remote wire to a switched 12 volt positive source The switched voltage is usually taken from the source unit s accessory lead If the source unit does not have this output available the recommended solution is to wire a mechanical switch in line with a 12 volt source to activate the amplifier manually Power Connection Connect to Source unit s accessory lead or switched 12v source Less than 18 Connect to chassis ground Keep Grounds as short as possible ee of vehicle Vehicle Battery INSTALLATION 8 Securely mount the amplifier to the vehicle or amp rack Be careful not to mount the amplifier on cardboard or plastic panels Doing so may enable the screws to pull out from the panel due to road vibration or sudden vehicle stops Connect source signal by plugging the RCA cables into the input jacks at the amplifier einen Always ensure power is off or disconnected at the amplifier before connecting 10 11 12 RCA cables Failure to do so may cause injury damage to the amplifier and or connected components Connect the speakers Strip the speaker wires 1 2 and insert into the speaker plug connector and tighten the set screw to secure into place Be sure to maintain proper speaker polarity DO NOT chassis ground any of the speaker leads as unstable operation may result Perform a final check of the completed system wiring to
9. e LED indicators Turn the gain down slightly if clipping is indicated Most quality source units do not distort so the volume can be used at maximum setting NOTE Best signal to noise and dynamic range are realized with the gain at minimum M ost users find adequate gain and volume is achieved at about halfway in the adjustment range CAUTION Avoid setting the amplifier gain very high as noise and distortion will increase significantly NOTE For a more in depth setting procedure contact M B Quart Technical Support 10 Amplifier Does Not Turn On Possible Cause The in line fuse on battery positive cable is blown Poor ground connection Poor power connection or power outside acceptable range TROUBLESHOOTING Solution Check in line fuse on battery positive cable Replace if necessary Verify that Ground connection is connected to clean metal on the vehicle s chassis Repair replace if necessary Verify there is 10 5 15 5 Volts present at the positive battery and remote turn on cable Verify quality connections for both cables at amplifier stereo and battery fuseholder Repair replace if necessary No Sound Coming From Amplifier Possible Cause Poor RCA connections Poor speaker connections Bad source unit Solution Verify good RCA input connections at source and amplifier Check entire length of cables for kinks splices etc Test RCA inputs for AC voltage with the source unit on Repair replace if neces
10. ensure that all connections are accurate Check all power and ground connections for frayed wires and loose connections which could cause problems Ensure the amplifier is mounted securely and reinstall the end cover Install an inline fuse near the battery connection NOTE Follow the diagrams for proper signal polarity N CAUTION These amplifiers are not recommended for impedance loads below 2 Q stereo and 4 Q bridged mono A CAUTION Do not attempt to connect the source units speaker leads directly to the RCA connections of this amplifier as damage to the source unit and or the amplifier may result 27 Source Unit Amplifier Bridged Mono INSTALLATION 7 Source Unit Amplifier een LINE OUTPUT OPERATION SET UP FEATURES The MB Quart R Series amplifier offers a wide range of selections for the user to create a listening environment that meets your personal preference Before making final adjustments read through the descriptions for each feature to get the best results ADJUSTMENTS Loosen the allen screw holding the small cover in place over the controls Tilt the cover up and away from the amplifier After making adjustments always ensure the cover is in place to prevent accidental changes to the settings NOTE Failure to follow these instructions may result in a loss of sonic quality This is caused by premature activation of the protection circuitry to maintain the integ
11. he bared wire into the terminal on the plug connector Tighten the set screw with a 3 32 allen wrench to secure the cable in place NOTE The positive cable M UST be fused 18 or less from the vehicle s battery Install the fuseholder under the hood and ensure connections are water tight 4 Trim the RED wire power cable within 18 of the battery and splice in a inline fuse holder See Specifications for the rating of the fuse to be used DO NOT install the fuse at this time 5 Strip 1 2 from the battery end of the power cable and crimp a large ring terminal to the cable Use the ring terminal to connect to the battery positive terminal 6 Prepare the BLACK wire Ground cable by stripping 1 2 of insulation from the end of the wire Insert the bared wire into the terminal on the plug connector Tighten the set screw with a 3 32 allen wrench to secure the cable in place Prepare the vehicle chassis ground by scraping any paint from the metal surface and thoroughly clean the area of all dirt and grease Strip the other end of the wire and attach a ring connector Fasten the cable to the chassis using a non anodized screw and a star washer NOTE Keep the length of the BLACK wire Ground as short as possible Always less than 30 76 2cm 7 Prepare the Remote turn on wire by stripping 1 2 of insulation from the end of the wire Insert the bared wire into the R terminal on the plug connector Tighten the set screw with
12. hearing loss High powered auto sound systems may produce sound pressure levels well over 130dB Use common sense and practice safe sound If after reading your manual you still have questions regarding this product we recommend that you see your MB Quart dealer If you need further assistance you can call us direct at 1 800 962 4412 Be sure to have your serial number model number and date of purchase available when you call The serial number can be found on the outside of the box Please record it in the space provided below as your permanent record This will serve as verification of your factory warranty and may become useful in recovering your amplifier if it is ever stolen Serial Number TABLE OF CONTENTS Introduction cece c eee eee nn nnn 2 Operation 9 10 Safety 3 Set up 9 Design Features 4 5 Front End Defeat na 9 Installation ccc inn nn 5 9 CROSSOVER es dump 10 Installation 5 10 Mounting 6 Troubleshooting 11 12 Battery and Charging 6 Specifications isle 12 Wiring the System iiec mnes 7 Limited Warranty Information 13 NOTE Review each section for more detailed information GETTING STARTED
13. ing location is clean shiny metal free of paint rust etc Add secondary ground cable from negative battery terminal to the chassis metal or engine block of vehicle 11 TROUBLESHOOTING PROT Protect LED Comes On Amplifier shuts down Possible Cause Solution There is a short in the system Turn the system off Check connection to all components for possible shorts Check all wires and cables for kinks splices poor insulation etc Repair replace if necessary Amplifier has exceeded normal Turn the system off and allow to cool Verify adequate ventilation operating temperature due to improper around amplifier Move the amplifier to a spot with better ventilation ventilation if needed Speaker impedance too low Check for proper speaker impedance replace if needed Low battery voltage Check that the vehicle charging system is maintaining proper voltage SPECIFICATIONS MODEL R Series RAA2400 Continuous Power Rating RMS Measured at 14 4 Battery Volts 4Q Load Per Channel 200 Watts x 2Ch and F 1 THD N 20 Load Per Channel 400 Watts x 2Ch and F 1 THD N 4Q Load Bridged Mono 800 Watts x 1Ch and F 1 THD N Dimensions Height 2 375 6cm Width 115 29 2cm Length 16 75 42 5cm Amplifier Fuse Rating Amp Type 3 30A ATC Battery Fuse Rating Amp External 90A Not Supplied Signal to Noise Ratio gt 80dB A weighted reference 0dB 2Vrms Crossover Selectable HPF LPF or Off High Pass Low Pass or All Pass Crossover
14. lug Connector Mounting Hardware Kit 1 8 32 Allen Wrench The hardware kit included with each amplifier contains the mounting hardware necessary to secure the amplifier to the vehicle Visit our web site for the latest information on all MB Quart products www mbquart com Design FEATURES Controls RANGE FREQ TYPE FILTER 8V 0 15V mx 50Hz 50042 JE HPF AL orr am 10 500Hz 5KHz LPF am ON LEFT RIGHT E DEFEAT CLIP CLIP PWR PROT 8V 015V 1 Gain Adjuster These can be adjusted to match output levels from a variety of source units individually for the left and right inputs 2 Crossover Multiplier Range Switch Used to set the multiplier for the left and right crossover frequencies between x1 and x10 A setting of x1 leaves the adjustable crossover frequency from 50 500Hz A setting of x10 changes the adjustable crossover frequency to 500 5KHz 5000Hz 3 Crossover Frequency Adjuster Used to adjust the left and right crossover frequency Variable from 50Hz to 500Hz in x1 mode and 500 5KHz in x10 mode 4 Crossover Type Is used for selecting High Pass Filter HPF or Low Pass Filter LPF operation for the left and right speaker outputs 5 Crossover Filter Switch Off sets the crossover to all pass adjustments to the crossover range freq and type are bypassed On allows adjustments to the crossover settings to be used 6 Front End Defeat Used to reroute the input signal around the sig
15. nal processing circuitry within the amplifier While in the ON position all gain and crossover functions are bypassed 7 Clipping LED Indicators These Yellow LEDs illuminate if clipping is detected for either the left or right speaker outputs 8 Power LED This Green LED illuminates when the unit is turned on 9 Protect LED This Red LED illuminates if a short circuit or too low of an impedance is detected at the speaker connections or if the amplifier reaches thermal protection The amplifier will automatically shut down if this occurs DESIGN FEATURES Connections 1 2 3 Left Side e 2 R L R e BRIDGED OUTPUT m 5 o Right Side ala O O 1 Line Output Jacks These outputs provide a convenient source for daisy chaining an additional amplifier without running an extra set of RCA cables from the front of the vehicle These are pass thru only and are not effected by crossover or gain adjustments 2 RCA Input Jacks The industry standard RCA jacks provide an easy connection for line level input They are plated to resist the signal degradation caused by corrosion 3 Speaker Plug Receptacle Receptacle for the speaker plug connector These connectors and will accept wire sizes from 12 AWG to 18 AWG 4 Fuses These ATC fuses are easily accessible in case of failure Always replace fuses with same type and rating
16. ons before attempting to install the unit For safety disconnect the negative lead from the battery prior to beginning the installation For easier assembly we suggest you run all wires prior to mounting your unit in place Route all of the RCA cables close together and away from any high current wires Use high quality connectors for a reliable installation and to minimize signal or power loss Think before you drill Be careful not to cut or drill into gas tanks fuel lines brake or hydraulic lines vacuum lines or electrical wiring when working on any vehicle Never run wires underneath the vehicle Running the wires inside the vehicle provides the best protection 8 Avoid running wires over or through sharp edges Use rubber or plastic grommets to protect any wires routed through metal especially the firewall 9 ALWAYS protect the battery and electrical system from damage with proper fusing Install the appropriate fuse holder and fuse on the 12V power wire within 18 45 7 cm of the battery terminal 10 When grounding to the chassis of the vehicle scrape all paint from the metal to ensure a good clean ground connection Grounding connections should be as short as possible and always be connected to metal that is welded to the main body or chassis of the vehicle MOUNTING LOCATIONS Engine Compartment Guo ds GODS pac gt Never mount this unit in the engine compartment Mounting the unit in the engine compartment
17. r for details Ship to Electronics MB Quart Warranty Repair Department 2055 E 5th Street Tempe AZ 85281 RA 13 MBQUARTE German Engineering MB QUART GmbH Neckarstra e 20 D 74847 Obrigheim Phone 49 6261 638 0 Fax 49 6261 638 129 Website www mbquart de E Mail info mbquart de MB QUART Electronics 2055 E 5th Street Tempe AZ 85281 USA Phone 800 962 4412 Fax 800 398 3985 Website www mbquart com E Mail info mbquart com 03 04 B M MAN 5624 A Printed in Korea
18. rity of the amplifiers sensitive components The performance specifications listed in this manual cannot be guaranteed under such conditions FRONT END DEFEAT The front end defeat switch is responsible for rerouting the signal around the signal processing circuitry within the amplifier This feature was designed for use with external processors to provide the purest possible signal path through the amplifier With this configuration the MB Quart R Series amplifiers are able to provide lower distortion and better signal reproduction due to the reduction in the number of components in the signal path Bypassing the crossover will also eliminate the typical phase shift associated with the analog filter transform function While the Front End Bypass is turned on all adjustments made to the gain or crossover will be bypassed OPERATION CROSSOVER Filter Switch Crossover Placing the switch in the ON position In Position sets the amplifier to the All Pass mode preventing any crossover adjustment allowing all frequencies to pass Adjustments RIGHT RANGE FREQ TYPE FILTER made to the Multiplier switch or Frequency Adjuster are bypassed av 01V mx sooHz JBL HPF orr Am X10 500Hz 5KHz JL LPF ON Frequency Switch M Placing the switch in the HPF position In Position sets the amplifier to the High Pass mode enabling frequencies LEFT FRAD LEFT RIGHT above the cut off point to pass on DER p p Placing the
19. sary Use an ohm meter to check speaker wire integrity Check entire length of wires for kinks splices etc Repair replace if necessary Connect RCA input from test source directly to amplifier input If this solves the problem have the source unit repaired or replaced If not have the amplifier checked by a qualified technician Speaker Pop When Amplifier Turns On Possible Cause Remote from source unit comes on too quickly Poor remote power signal from source Excessive Engine Noise Possible Cause RCA cables too close to main power cables Bad component in the signal chain Poor ground connection at system components Poor ground connection at battery Solution Disconnect input signal to amplifier and turn amplifier on and off If the noise is eliminated connect the REM lead of amplifier to source unit with a delay turn on module Use a different 12 Volt source for REM lead of amplifier i e battery direct If the noise is eliminated use a relay to isolate the amplifier from noisy turn on output Solution Route all signal carrying wires RCA Speaker cables away from power and ground wires Bypass any and all electrical components between the source and the amplifier s Connect source directly to input of amplifier If noise goes away the unit being bypassed is the cause of the noise Remove existing ground wires for all electrical components Reground wires to different locations Verify that ground
20. will void your warranty Trunk Mounting Mounting the amplifier vertically will provide adequate cooling of the amplifier Mounting the amplifier on the floor of the trunk will provide the best cooling of the amplifier Mounting the amplifier upside down to the rear deck of the trunk will not provide proper cooling and will severely affect the performance of the amplifier and is strongly not recommended Passenger Compartment Mounting Mounting the amplifier in the passenger compartment will work as long as you provide a sufficient amount of air for the amplifier to cool itself If you are going to mount the amplifier under the seat of the vehicle you must have at least 1 2 54cm of air gap around the amplifier s fan intake and top exhaust vents Mounting the amplifier with less than 1 2 54cm of air gap around the amplifier in the passenger compartment will not provide proper cooling and will severely affect the performance of the amplifier and is strongly not recommended BATTERY AND CHARGING Amplifiers will put an increased load on the vehicle s battery and charging system We recommend checking your alternator and battery condition to ensure that the electrical system has enough capacity to handle the increased load of your stereo system Stock electrical systems which are in good condition should be able to handle the extra load of any MB Quart amplifier without problems although battery and alternator life can be reduced slightly To
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