Yamaha DBR15 Speaker System User Manual
Contents
1. Subwoofer Mixer Subwoofer Floor monitor system This system is suitable for a performer s monitoring system For use as a vocal monitor set the D CONTOUR switch to MONITOR If necessary you can additionally connect up to four speakers in parallel In this case we recommend that the signal is input to CH1 and the output switch is set to CH1 THRU On g O D CONTOUR FOH MAIN FAF J OFF monitor s ol ol ol ol al o COG T Mixer H pj 9 f 3 f s 6 20 ee jy 00 dB 10 LEVEL I F MIC O h Fi L U 7 po o 4 He 3 3 8 6 20 9 00 dB 10 0 dB 10 LEVEL LEVEL Set to CH1 THRU w Set to CH1 THRU 1 M ol O sf E on O O of 0 OG ae eee Cr To next speaker Troubleshooting Symptom Possible causes Possible solution Power does not turn on The power cord is not connected properly Connect the power cord all the way in so that it is firmly in place Power suddenly went off The protection system has been activated shutting down the power supply Turn off the power wait until the amplifier cools down and then turn on again No Sound Sound is interrupted suddenly The cable is not connected properly Connect the cable all the way in so that it is firmly in place The protection circuit has been activated muting the Wait until2. 241540 FM YAMAHA POWERED SPEAKER SYSTEM DBR series DBR15 DBR12 Owner s Manual In order to take full advantage of the DBR series referred to in this manual as DBR superior functionality and enjoy years of trouble free use please read this manual before you begin using the product After you have read the manual keep it in a safe place for reference when needed DBR10 Please read the PRECAUTIONS on the reverse side of this manual before use e This manual uses example illustrations taken from the DBR12 if not otherwise specified The illustrations as shown in this manual are for instructional purposes only and may appear somewhat different from those on your device e The company names and product names used in this manual are the trademarks or registered trademarks of their respective companies Controls and Connectors Rear OLMIT IJ O SIGNAL Q0 O PROTECTION O POWER l Git ituning 3 dB 10 LEVEL oO b conTouR J FOH MAIN FAF A OFF MONITOR z cmtu m ci _ gt Le lg CH1 2 MIX cn O O HPF oan ae ba Hz T00Hz ee eha O OFF O oo 00000000 Bottom Features e FIR X tuning Our proprietary sound processing technology utilizing a linear phase FIR filter delivers excellent sound quality with high resolution and a smooth frequency response that is unaffected by phase interference nea
3. e Do not use the speaker s handles for suspended installation Doing so can result in damage or injury e Do not hold the bottom of the device when transporting or moving it In doing so you may pinch your hands under the device and result in injury e Do not press the rear panel of the device against the wall Doing so may cause the plug to come in contact with the e Do not place the device in a location where it may come into contact with corrosive gases or salt air Doing so may result in malfunction e Before moving the device remove all connected cables e When setting up the device make sure that the AC outlet you are using is easily accessible If some trouble or malfunction occurs immediately turn off the power switch and disconnect the plug from the outlet Even when the power switch is turned off electricity is still flowing to the product at the minimum level When you are not using the product for a long time make sure to unplug the power cord from the wall AC outlet e Always consult qualified Yamaha service personnel if the device installation requires construction work and make sure to observe the following precautions Choose mounting hardware and an installation location that can support the weight of the device Avoid locations that are exposed to constant vibration Use the required tools to install the device Inspect the device periodically Connections e Before connecting the device
4. follow the notices below Handling and maintenance e Do not expose the device to excessive dust or vibration or extreme cold or heat such as in direct sunlight near a heater or in a car during the day in order to prevent the possibility of panel disfiguration unstable operation or damage to the internal components e Do not place vinyl plastic or rubber objects on the device since this might discolor the panel e When cleaning the device use a dry and soft cloth Do not use paint thinners solvents cleaning fluids or chemical impregnated wiping cloths e Condensation can occur in the device due to rapid drastic changes in ambient temperature when the device is moved from one location to another or air conditioning is turned on or off for example Using the device while condensation is present can cause damage If there is reason to believe that condensation might have occurred leave the device for several hours without turning on the power until the condensation has completely dried out e When turning on the AC power in your audio system always turn on the device LAST to avoid speaker damage When turning the power off the device should be turned off FIRST for the same reason e Interference From Cell Phones Using a cell phone near the speaker system can induce noise If this occurs move the cell phone further away from the speaker system e Air blowing out of the bass reflex ports is normal and often occurs w
5. Yamaha dealer Installation Examples CAUTION e Before doing any installation or construction work consult with your Yamaha dealer e For optimum safety the installation should be checked thoroughly at regular intervals Some fittings may deteriorate over extended periods of time due to wear and or corrosion e When choosing the installation location suspension wire and mounting hardware make sure all are strong enough to support the weight of the speaker e Make sure to take measures to prevent the speaker from falling down in the event of a installation failure e When installing the safety wire to the wall install it higher than the wire s attachment point on the speaker with as little slack as possible If the wire is too long and the speaker happens to fall the wire may snap as a result of too much strain Yamaha cannot be held responsible for damage or injury caused by insufficient strength of the support structure or improper installation Pullback point only for DBR15 and DBR12 e When the unit is shipped from the factory a seal is stuck on the pullback point screw hole Make sure to peel off the seal when using the pullback point e The DBR10 does not have a pullback point Securing the screws and eye bolts e Insert the screw or eye bolt through the washer to attach them Upper rear of the unit Apply thread locking Pullback point fluid to the eye bolt M8 screw hole sonnogononeaa mo
6. a device such as an MP3 player or a CD player For devices with high level signals such as a mixer connect to CH2 or connect to CH1 then set the MIC LINE switch to LINE R XL Phone RCA pin LEVEL knobs Adjust the level of each input jack MIC LINE switch Set this switch to MIC or LINE for the CH1 jack depending on the level of the input signal For low level signals Such as microphones set the switch to MIC For high level signals such as mixer set the switch to LINE Output switch Selects the output signal sent to the output jack CH1 THRU Delivers the direct output signal of CH1 only Signal from CH2 will not be output CH1 2 MIX Outputs the mixed signals of CH1 and CH2 Output jack This is a balanced XLR jack This can be used to connect another DBR speaker Outputs the signal selected by output switch LIMIT indicator Indicates lit in red that the limiter is on when the output voltage of the amplifier has exceeded the maximum level or when excessive integral power consumption is detected If this indicator stays lit lower the input level Note Integral power consumption refers to the sum of power provided to the speaker driver per unit time SIGNAL indicator Indicates lit in green when an audio signal exceeding the threshold has been detected PROTECTION indicator Indicates lit in red when the protection circuit is active The protection circuit will be ac
7. size screw holes for installing separately sold brackets or commercially available eye bolts Pole socket This socket adapts to commercially available speaker stands and speaker poles of 35 mm diameter Setup Examples Simple system with a single DBR System with two DBRs and subwoofers This example illustrates the system when connecting directly to a microphone musical instrument or This system is the most suitable for a main speaker system If desired you can add another DBR to create background music source without using a mixer a floor monitor system Main application small sized live venue presentations restaurants Main application small sized live venue house of worship event site Note For CH2 inputs to the combo jack and to the RCA pin jacks will be mono mixed at a fixed balance If you want to change the balance adjust the volume of the connected sound source a Microphone Note We recommend to use Yamaha DXS series referred to in this manual as DXS as a subwoofer In this case we recommend that the DBR s HPF cutoff frequency and the DXS s LPF cutoff frequency are set to the same settings however you can adjust it as desired E MIC LINE LEVEL A L LINE g 9 FF 3 3 g l 6 20 9 o dy 00 aB 1 x LEVEL 00 dB 10 LEVEL Musical instrument L Background music source
8. to other devices turn off the power for all devices Before turning the power on or off for all devices set all volume levels to minimum Maintenance e Remove the power plug from the AC outlet when cleaning the device Handling caution e Do not insert your fingers or hands in any gaps or openings on the device vents etc e Avoid inserting or dropping foreign objects paper plastic metal etc into any gaps or openings on the device vents etc If this happens turn off the power immediately and unplug the power cord from the AC outlet Then have the device inspected by qualified Yamaha service personnel e Do not rest your weight on the device or place heavy objects on it and avoid use excessive force on the buttons switches or connectors e Do not use the device for a long period of time at a high or uncomfortable volume level since this can cause permanent hearing loss If you experience any hearing loss or ringing in the ears consult a physician e Do not operate the device if the sound is distorting Prolonged use in this condition could cause overheating and result in fire e Do not pull the cables connected to the microphones etc Yamaha cannot be held responsible for damage caused by improper use or modifications to the device or data that is lost or destroyed PA 3 NOTICE To avoid the possibility of malfunction damage to the product damage to data or damage to other property
9. 1100 Wien Austria Tel 01 60203900 CZECH REPUBLIC HUNGARY ROMANIA SLOVAKIA SLOVENIA Yamaha Music Europe GmbH Branch Austria Central Eastern Europe Office Schleiergasse 20 A 1100 Wien Austria Tel 01 60203900 POLAND LITHUANIA LATVIA ESTONIA Yamaha Music Europe GmbH Branch Poland Office ul Wrotkowa 14 02 553 Warsaw Poland Tel 022 500 2925 PA36 class B 3 wires your nearest Yamaha representative or the authorized distributor listed below MAITA Olimpus Music Ltd The Emporium Level 3 St Louis Street Msida MSD06 Tel 02133 2144 NETHERLANDS BELGIUM LUXEMBOURG Yamaha Music Europe Branch Benelux Clarissenhof 5 b 4133 AB Vianen Netherlands Tel 0347 358 040 FRANCE Yamaha Music Europe 7 rue Ambroise Croizat Zone d activites Pariest 77183 Croissy Beaubourg France Tel 01 64 61 4000 ITALY Yamaha Music Europe GmbH Branch Italy Viale Italia 88 20020 Lainate Milano Italy Tel 02 935 771 SPAIN PORTUGAL Yamaha Music Europe GmbH Ib rica Sucursal en Espa a Ctra de la Coruna km 17 200 28231 Las Rozas Madrid Spain Tel 34 91 639 88 88 GREECE Philippos Nakas S A The Music House 147 Skiathou Street 112 55 Athens Greece Tel 01 228 2160 SWEDEN FINLAND ICELAND Yamaha Music Europe GmbH Germany filial Scandinavia J A Wettergrensgata 1 Box 30053 S 400 43 G teborg Sweden Tel 46 31 89 34 00 DENMARK Yamaha Music Europe GmbH Tyskland filial Denmark Generatorvej 6A DK 2730 Herlev D
10. 9F Dongsung Bldg 158 9 Samsung Dong Kangnam Gu Seoul Korea Tel 02 3467 3300 MALAYSIA Yamaha Music Malaysia Sdn Bhd No 8 Jalan Perbandaran Kelana Jaya 47301 Petaling Jaya Selangor Malaysia Tel 03 78030900 SINGAPORE Yamaha Music Asia Private Limited Block 202 Hougang Street 21 02 00 Singapore 530202 Singapore Tel 65 6747 4374 TAIWAN Yamaha Music amp Electronics Taiwan Co Ltd 3F No 6 Section 2 Nan Jing East Road Taipei Taiwan R O C Tel 02 2511 8688 THAILAND Siam Music Yamaha Co Ltd 3 4 15 and 16th floor Siam Motors Building 891 1 Rama 1 Road Wangmai Pathumwan Bangkok 10330 Thailand Tel 02 215 2622 VIETNAM Yamaha Music Vietnam Company Limited 15th Floor Nam A Bank Tower 201 203 Cach Mang Thang Tam St Ward 4 Dist 3 Ho Chi Minh City Vietnam Tel 84 8 38 18 1122 OTHER ASIAN COUNTRIES Yamaha Corporation Sales amp Marketing Division Nakazawa cho 10 1 Naka ku Hamamatsu Japan 430 8650 Tel 81 53 460 2312 OCEANIA AUSTRALIA Yamaha Music Australia Pty Ltd Level 1 99 Queensbridge Street Southbank Victoria 3006 Australia Tel 3 9693 5111 COUNTRIES AND TRUST TERRITORIES IN PACIFIC OCEAN Yamaha Corporation Sales amp Marketing Division Nakazawa cho 10 1 Naka ku Hamamatsu Japan 430 8650 Tel 81 53 460 2312 HEAD OFFICE Yamaha Corporation Audio Products Sales and Marketing Division Nakazawa cho 10 1 Naka ku Hamamatsu Japan 430 8650 C S G P
11. A Development Division Yamaha Pro Audio global web site http Awww yamahaproaudio com Yamaha Manual Library http www yamaha co jp manual 2014 Yamaha Corporation Published 07 2014 KSZC 01A0 Printed in Indonesia
12. DBR12 only Max 45 WA lt gt Baton diameter gt 34 51 Only one suspension point More than 45 from a right angle More than 45 oi More than 45 Max 45 Note In order to prevent the unit from falling down attach the safety wire as shown in the illustration General Specifications PRECAUTIONS PLEASE READ CAREFULLY BEFORE PROCEEDING Please keep this manual in a safe place for future reference Z WARNING Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical shock short circuiting damages fire or other hazards These precautions include but are not limited to the following Power supply power cord e Do not place the power cord near heat sources such as heaters or radiators and do not excessively bend or otherwise damage the cord place heavy objects on it or place it in a position where anyone could walk on trip over or roll anything over it e Only use the voltage specified as correct for the device The required voltage is printed on the name plate of the device e Use only the supplied power cord plug e Check the electric plug periodically and remove any dirt or dust which may have accumulated on it e Be sure to connect to an appropriate outlet with a protective grounding connection Improper grounding can result in electrical shock damage to the d
13. cts or specifications at any time without prior notice Since specifications equipment or options may not be the same in every locale please check with your Yamaha dealer General Specifications DBR15 DBR12 DBR10 wall and detach from the power cord resulting in short System Type 2 way Bi amp Powered Speaker Bass reflex Type Sa maifuneton greven Me Frequency Range 10dB 49 Hz 20 kHz 52 Hz 20 kHz 55 Hz 20 kHz Coverage Angle Horizontal x Vertical H90 x V60 Constant Directivity Horn Measured Maximum SPL Peak IEC Noise 1m 132 dB SPL 131 dB SPL 129 dB SPL Crossover 2 1 kHz 2 1 kHz 2 1 kHz Power Rating Dynamic 1000 W LF 800 W HF 200 W 700 W LF 500 W HF 200 W Power Amplifier Continuous 465 W LF 400 W HF 65 W 325 W LF 260 W HF 65 W Information for Users on Collection and Disposal of Old Equipment This symbol on the products packaging and or accompanying documents means that used electrical and electronic products should not be mixed with general household waste For proper treatment recovery and recycling of old products please take them to applicable collection points in accordance with your national legislation and the Directives 2002 96 EC By disposing of these products correctly you will help to save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappropriate waste handling For more information about collection and recycl
14. enmark Tel 44 92 49 00 NORWAY Yamaha Music Europe GmbH Germany Norwegian Branch Grini N ringspark 1 N 1361 ster s Norway Tel 67 16 78 00 RUSSIA Yamaha Music Russia LLC Room 37 bld 7 Kievskaya street Moscow 121059 Russia Tel 495 626 5005 OTHER EUROPEAN COUNTRIES Yamaha Music Europe GmbH Siemensstra e 22 34 25462 Rellingen Germany Tel 49 4101 3030 AFRICA Yamaha Music Gulf FZE Office JAFZA 16 512 PO Box 17328 Jebel Ali Dubai UAE Tel 971 4 881 5868 MIDDLE EAST TURKEY Yamaha Music Europe GmbH Merkezi Almanya T rkiye stanbul ubesi Maslak Meydan Sokak No 5 Spring Giz Plaza Ba ms B l No 3 34398 i li stanbul Tel 90 212 999 8010 CYPRUS Yamaha Music Europe GmbH Siemensstra e 22 34 25462 Rellingen Germany Tel 04101 3030 OTHER COUNTRIES Yamaha Music Gulf FZE Office JAFZA 16 512 PO Box 17328 Jebel Ali Dubai U A E Tel 971 4 881 5868 ASIA THE PEOPLE S REPUBLIC OF CHINA Yamaha Music amp Electronics China Co Ltd 2F Yunhedasha 1818 Xinzha lu Jingan qu Shanghai China Tel 021 6247 2211 INDIA Yamaha Music India Pvt Ltd Spazedge building Ground Floor Tower A Sector 47 Gurgaon Sohna Road Gurgaon Haryana India Tel 0124 485 3300 INDONESIA PT Yamaha Musik Indonesia Distributor Yamaha Music Center Bldg Jalan Jend Gatot Subroto Kav 4 Jakarta 12930 Indonesia Tel 021 520 2577 KOREA Yamaha Music Korea Ltd 8E
15. evice s or even fire Do not open e This device contains no user serviceable parts Do not open the device or attempt to disassemble the internal parts or modify them in any way If it should appear to be malfunctioning discontinue use immediately and have it inspected by qualified Yamaha service personnel Water warning e Do not expose the device to rain use it near water or in damp or wet conditions or place on it any containers such as vases bottles or glasses containing liquids which might spill into any openings If any liquid such as water seeps into the device turn off the power immediately and unplug the power cord from the AC outlet Then have the device inspected by qualified Yamaha service personnel e Never insert or remove an electric plug with wet hands Fire warning e Do not put burning items such as candles on the unit A burning item may fall over and cause a fire If you notice any abnormality e When one of the following problems occur immediately turn off the power switch and disconnect the electric plug from the outlet Then have the device inspected by Yamaha service personnel The power cord or plug becomes frayed or damaged It emits unusual smells or smoke Some object has been dropped into the device There is a sudden loss of sound during use of the device e f this device should be dropped or damaged immediately turn off the power switch disconnect the electric plug from t
16. he outlet and have the device inspected by qualified Yamaha service personnel A CAUTION Always follow the basic precautions listed below to avoid the possibility of physical injury to you or others or damage to the device or other property These precautions include but are not limited to the following Power supply power cord e When removing the electric plug from the device or an outlet always hold the plug itself and not the cord Pulling by the cord can damage it e Remove the electric plug from the outlet when the device is not to be used for extended periods of time or during electrical storms Location e Do not place the device in an unstable position where it might accidentally fall over e Do not block the vents This device has ventilation holes at the rear to prevent the internal temperature from becoming too high In particular do not place the device on its side or upside down Inadequate ventilation can result in overheating possibly causing damage to the device s or even fire e When installing the device Do not cover it with any cloth Do not install it on a carpet or rug Do not use the device in a confined poorly ventilated location Inadequate ventilation can result in overheating possibly causing damage to the device s or even fire Make sure that there is adequate space around the device at least 30cm above 30cm at the sides and 30cm behind
17. hen the speaker is handling program material with heavy bass content e Always turn the power off when the device is not in use Connectors e XLR type connectors are wired as follows IEC60268 standard pin 1 ground pin 2 hot and pin 3 cold Power Consumption 74 W 60 W LF 15 Cone 2 5 Voice Coil 12 Cone 2 Voice Coil 10 Cone 2 Voice Coil Components HF 1 4 Voice Coil Compression Driver 1 Voice Coil Compression Driver Dimensions WxHxD Including Rubber Feet 455 x 700 x 378 mm 17 9 x 27 6 x 14 9 376 x 601 x 348 mm 14 8 x 23 7 x 13 7 308 x 493 x 289 mm 12 1 x 19 4 x 11 4 Net Weight 19 3 kg 42 6 Ibs 15 8 kg 34 8 Ibs 10 5 kg 23 2 Ibs Handles Side x 2 Top x 1 Pole Socket 35 mm Bottom x 1 Rigging Points Bottom x 2 Rear x 1 Fit for M8 x 15 mm Bottom x 2 Fit for M8 x 15 mm Optional Speaker Brackets BBS251 BCS251 BWS251 300 BWS251 400 Input INPUT1 Combo x1 INPUT2 Combo x 1 RCA pin x 2 1 O Connectors Output XLR3 32 x 1 CH1 Paralell Through or CH1 CH2 Mix Input Sensitivity Level Center INPUT1 LINE 10 dBu MIC 22 dBu INPUT2 10 dBu Maximum Input Level INPUT1 LINE 24 dBu MIC 8 dBu INPUT2 24 dBu O dBu is referenced to 0 775 Vrm Specifications and descriptions in this owner s manual are for information purposes only Yamaha Corp reserves the right to change or modify produ
18. ing of old products please contact your local municipality your waste disposal service or the point of sale where you purchased the items For business users in the European Union If you wish to discard electrical and electronic equipment please contact your dealer or supplier for further information Information on Disposal in other Countries outside the European Union This symbol is only valid in the European Union If you wish to discard these items please contact your local authorities or dealer and ask for the correct method of disposal weee_eu_en_01 In Finland Laite on liitett v suojamaadoituskoskettimilla varustettuun pistorasiaan In Norway Apparatet m tilkoples jordet stikkontakt In Sweden Apparaten skall anslutas till jordat uttag class hokuo 5 HOw H QE KAAN ASE class b korea FCC INFORMATION U S A IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord 1 IMPORTANT NOTICE DO NOT MODIFY THIS UNIT This product when installed as indicated in the instructions contained in this manual meets FCC requirements Modifications not expressly approved by Yamaha may void your authority granted by the FCC to use the product 2 IMPORTANT When connecting this product to accessories and or another product use only high quality shielded cables Cable s supplied with this product MUST be used Follow all installation instruct
19. ions Failure to follow instructions could void your FCC authorization to use this product in the USA 3 NOTE This product has been tested and found o comply with the requirements listed in FCC Regulations Part 15 for Class B digital devices Compliance with these requirements provides a reasonable level of assurance that your use of his product in a residential environment will not result in harmful interference with other electronic devices This equipment generates uses radio requencies and if not installed and used according o the instructions found in the users manual may cause interference harmful to the operation of other electronic devices Compliance with FCC regulations does not guarantee that interference will not occur in all installations If this product is ound to be the source of interference which can be determined by turning the unit OFF and ON please try to eliminate the problem by using one of he following measures WARNING THIS APPARATUS MUST BE EARTHED IMPORTANT The wires in this mains lead are coloured BLUE BROWN in accordance with the following code GREEN AND YELLOW EARTH NEUTRAL LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by
20. r the crossover point e D CONTOUR Dynamic CONTOUR D CONTOUR optimizes the level of each frequency range according to the application to be used or the listener s preferences There are two modes an FOH MAIN mode for use as a main speaker and a MONITOR mode for use as a floor monitor e Simple mixing function The DBR features simple mixing functionality enabling you to select either a direct output of channel 1 CH1 parallel connection or a mixed output of CH1 and CH2 e Various input output connectors The comprehensive set of connectors including XLR for a mixer phone for a musical instrument and RCA pin for an MP3 player provides maximum flexibility in use with a wide variety of applications e Light weight high power A newly developed power supply and amplifier has enabled compact size and light weight as well as powerful output e Advanced protection functionality DSP controlled advanced protection functionality promotes optimum reliability even in challenging environments Included Accessories e AC power cord e Technical Specifications English only includes specifications block diagram and dimensions e Owner s manual this leaflet Input jacks CH1 and CH2 These are balanced combo jacks that support both XLR and phone plugs both CH1 and CH2 and RCA pin plugs CH2 only For the combo jacks connect a mixer microphone or digital musical instrument such as a keyboard For RCA pin jacks connect
21. te TA ee Installation using separately sold Yamaha speaker Installation using eye bolts brackets Attach commercially available eye bolts M8 x 15 mm to the screw holes located at the bottom two locations and on the upper rear one location only for DBR15 and DBR12 Keep in mind that you will need two points at the bottom to suspend the unit Attach the bracket to two screw holes at the bottom of the unit using commercially available screws M8 x 16 mm or eye bolts M8 x 15 mm For details on installing the bracket refer to the corresponding manual E Using the BWS251 300 or BWS251 400 wall mounting bracket Note Make sure to use eye bolts according to the standards and safety regulations in your area M8 eye bolt The tilt angle depends on the position relation between the speaker and the wall The maximum downward tilt angle is shown in the following chart Maximum tilt angle BWS251 300 BWS251 400 paris CCC 23 Pullback point for Max 45 DBR15 and DBR12 only DBR12 DBR10 20 35 E NOTICE The strength of an eye bolt differs depending on the suspension angle Make sure to use eye bolts within a range of 0 to 45 degrees from a right angle as shown Maximum tilt angle Correct Within 45 from a right angle Pullback point for DBR15 Incorrect Do not suspend the eye bolts as shown in the illustrations below and
22. the amplifier cools down If the unit won t automatically reset itself turn off the power and then on output again Sound howls feedback A microphone is directed toward the speaker Aim the speaker away from the area where the microphone picks up sound Sound is amplified too much Lower the volume of input device and locate the microphone more closely to the sound source Each speaker sound differs if multiple speakers are Settings for each speaker differ Set the HPF switch and D CONTOUR switch of each speaker to the same positions used Sound is The LIMIT indicator is off Input volume is excessive When the MIC LINE switch is set to MIC and even if you lower the volume fully the sound is still distorted distorted set the switch to the LINE position If the sound is still distorted even if the switch has been set to LINE lower the volume of the connected input devices The LIMIT indicator is on Output volume is excessive Turn the LEVEL knob to lower the output level to a point so that the LIMIT indicator lights only occasionally The microphone volume is too low The MIC LINE switch is set to LINE Set the MIC LINE switch to the MIC position Low and high frequency are unbalanced The output limiter is active Lower the input level or the output level until the LIMIT indicator lights occasionally If any specific problem should persist however please contact your
23. the letter E or by the safety earth symbol coloured BLACK or colored GREEN or GREEN and YELLOW The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED Relocate either this product or the device that is being affected by the interference Utilize power outlets that are on different branch circuit breaker or fuse circuits or install AC line filter s In the case of radio or TV interference relocate reorient the antenna If the antenna lead in is 300 ohm ribbon lead change the lead in to co axial type cable If these corrective measures do not produce satisfactory results please contact the local retailer authorized to distribute this type of product If you can not locate the appropriate retailer please contact Yamaha Corporation of America Electronic Service Division 6600 Orangethorpe Ave Buena Park CA90620 The above statements apply ONLY to those products distributed by Yamaha Corporation of America or its subsidiaries This applies only to products distributed by YAMAHA CORPORATION OF AMERICA For details of products please contac NORTH AMERICA CANADA Yamaha Canada Music Ltd 135 Milner Avenue Toronto Ontario MIS 3R1 Canada Tel 416 298 1311 U S A Yamaha Corporation of America 6600 Orangethorpe A
24. tivated and the speaker outputs will be muted in the situations listed below e If amplifier overheating is detected e f overcurrent is detected e When turning the power on the protection circuit will be activated for a few seconds to prevent noise The indicator turns off when the power supply has started normally If the protection circuit has engaged waiting until the amplifier cools down or powering off and on again will return to normal operation If the unit does not return to normal operation please contact your Yamaha dealer POWER indicator Indicates lit in green when the 1 power switch is turned on D CONTOUR indicator Indicates lit in yellow when the D CONTOUR switch is set to FOH MAIN or MONITOR D CONTOUR switch Selects one of the D CONTOUR Dynamic CONTOUR presets FOH MAIN Boosts the high and low frequency components so that the frequency response is suitable for a main speaker MONITOR Reduces the low frequency range which could otherwise tend to be boomy if the speaker is set directly on the floor This enables you to hear mid and high frequency ranges clearly when using as a floor monitor OFF Turns off D CONTOUR This is a generic frequency response setting HPF switch Selects the cutoff frequency of the high pass filter If you set this switch to 120Hz or 100HZz the low frequency components below each threshold will be cut If you use the unit alone set this switch
25. to OFF If you plan to use the unit along with a subwoofer we recommend that you set this switch to 120Hz or 100HZ Vent The unit contains a cooling fan Since the air for cooling is taken in and expelled here be careful not to block this vent AC IN socket Connect the supplied power cord here First connect the power cord to the unit then plug it into an appropriate AC power outlet N CAUTION Turn off the power before you connect or disconnect the power cord 1 power switch Turns power to the unit on 1 or off First turn on the power of the connected sound source external device then the unit When turning off the power reverse the order by turning off the power of the unit first and then the connected sound source external device A CAUTION Even when the switch is in the off position a small amount of electricity is still flowing to the unit If it will not be used for an extended period of time therefore be sure to unplug the power cord from the wall AC outlet Note e Rapidly turning the unit on and off in succession can cause it to malfunction After turning the unit off wait for about 5 seconds before turning it on again e If you are using multiple units turn on the power to each unit one by one If you turn on the power to multiple units simultaneously a temporary drop in the power voltage may occur possibly resulting in abnormal operation of the units Screw holes M8 Use these MB
26. venue Buena Park CA 90620 U S A Tel 714 522 9011 CENTRAL amp SOUTH AMERICA MEXICO Yamaha de M xico S A de C V Av Insurgentes Sur 1647 Piso 9 Col San Jos Insurgentes Delegaci n Benito Juarez M xico D F C P 03900 Tel 55 5804 0600 BRAZIL Yamaha Musical do Brasil Ltda Rua Joaquim Floriano 913 4 andar Itaim Bibi CEP 04534 013 S o Paulo SP BRAZIL Tel 011 3704 1377 ARGENTINA Yamaha Music Latin America S A Sucursal Argentina Olga Cossettini 1553 Piso 4 Norte Madero Este C1107CEK Buenos Aires Argentina Tel 011 4119 7000 VENEZUELA Yamaha Music Latin America S A Sucursal Venezuela C C Manzanares Plaza P4 Ofic 0401 Manzanares Baruta Caracas Venezuela Tel 58 212 943 1877 PANAMA AND OTHER LATIN AMERICAN COUNTRIES CARIBBEAN COUNTRIES Yamaha Music Latin America S A Torre Banco General Piso No 7 Marbella Calle 47 y Aquilino de la Guardia Ciudad de Panam Rep blica de Panam Tel 507 269 5311 EUROPE THE UNITED KINGDOM IRELAND Yamaha Music Europe GmbH UK Sherbourne Drive Tilbrook Milton Keynes MK7 8BL U K Tel 01908 366700 GERMANY Yamaha Music Europe GmbH Siemensstra e 22 34 25462 Rellingen Germany Tel 04101 3030 SWITZERLAND LIECHTENSTEIN Yamaha Music Europe GmbH Branch Switzerland in Z rich Seefeldstrasse 94 8008 Z rich Switzerland Tel 044 387 8080 AUSTRIA BULGARIA Yamaha Music Europe GmbH Branch Austria Schleiergasse 20 A
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