SpeakerCraft BB1235 AV receiver
Contents
1. LEFT SPEAKER RIGHT SPEAKER ZONE 2 LEFT SPEAKER ZONE 3 RIGHT SPEAKER LEFT SPEAKER ZONE 4 RIGHT SPEAKER LEFT SPEAKER ZONE 5 RIGHT SPEAKER LEFT SPEAKER ZONE 6 RIGHT SPEAKER 15 16 Diagram 7 Theater Multi Room Installation HOME THEATER RECEIVER SPEAKER SUBWOOFER OUTPUTS OUTPUT MULTI ROOM OUTPUT L R m 5 VCR INPUT DVD INPUT REAR LEFT REAR RIGHT CENTER RIGHT E z e e SOURCES OUTPUT CD Player DVD Player VCR SpeokerCroft rversiae catomia Model BB1235 12 Channel Amplifier SERAL NUMBER AN LEFT SPEAKER CENTER SPEAKER RIGHT SPEAKER LINE INPUTS CHANNEL CHANNEL2 CHANNEL3 CHANNELS CHANNELS CHANNELS CHANNEL7 CHANNELS CHANNEL9 CHANNELIO CHANNEL 11 CHAN2. and Power Mode Circuitry or the amplifier has caused the amplifier to shut down 2 Bus outputs allow the bus inputs to be sent to other amplifiers or a daisy chain without the need for Y cables splitters Auxiliary out puts allow you to daisy chain the input to other audio sources Main bus inputs allow outputs from receivers CD players TVs or any stereo audio sources to be amplified across all channels for easy multi room applications Auxiliary inputs allow an additional audio source to be played on any channel that is switched to AUX Sp akerCraft ias caitomia usa Model BB123 805 LO BUS AP OUTPUJA CHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL4 CHAN L 5 LEVEL LEVEL LEVEL 9 9 OFF ON LINE IN BUS AUX LINE BUSAUX LINE LEVEL LEVEL 9 9 OFF ON IN m 010 LINE Dy BUS AUX LINE BUS AUX LINE BRIDGED SE 2 m 22 BRIDGED sE BRIDGED OX AUX OUTPUT AUX INPUT RRL L RRL L R L R RL L R RL L Impedance switch is used to select either 8Q 40 40 8Q E zr 40 BRIDGED BRIDGED CONTROL OUTPUT CHANNES CHANNEL 2 CHANNEL3 CHANNEL 4 CHANNEL 5 The Power Mode switch is used to toggle between three different trigger methods to power up the amplifier 3 30V A C or D C input to trigger power up with volta
3. 0 WwW PY Consumption CHANNEL TN CHANNEL 2 CHANNEL 3 CHANNEL 4 CHANNELS B CHANNEL 6 CHANNEL 7 M CHANNEL s CHANNEL 9 CHANNEL CHANNEL 12 830 Watts LEFT SPEAKER CENTER SPEAKER RIGHT SPEAKER VOLUME CONTROL REAR LEFT SPEAKER SUBWOOFER REAR RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER 19 20 INSTALLATION CONSIDERATIONS Placement DO the amplifier with the feet resting on a solid flat level surface Place the amplifier in a well vented area to provide proper cooling In areas that lack proper ventilation such as tight cabinets or racks it may be necessary to install small fans to create air movement DONT Dont block the ventilation holes on the top or bottom of the amplifier Never place it on carpeting or similar material Dont place the amplifier in any other position other than horizontal with the feet down Never place on its side or resting on the back where the terminals are located Dont the amplifier near heat sources or in an area that it would be exposed to moisture YOU SHOULD KNOW The power supply is very large and therefore may cause a hum to be heard in some components if they are placed very close to
4. Bus or Auxiliary inputs This provides the flexibility needed in sophisticated custom audio installations Bridging The power output of adjacent channels can be combined to provide extra power when needed in certain areas This is easily accomplished by flipping a single switch Individual Channel Level Adjustments Each channel has its own level adjustment This allows the loudness of each speaker to be perfectly matched to its area InstaLLock Connector Outputs Simplify the connection of the speaker outputs by using SpeakerCrafts InstaLLock Connector purchased separately InstaLLock Connectors elimi nate the hassle of connecting multiple wires onto the back of the amplifier Instead they can be easily connected to the InstaLLock Connector which is later plugged into the back of the amplifier InstaLLock Connectors be purchased from your SpeakerCraft Dealer Multiple Power Modes and Output Trigger There are three ways to turn the amplifier on constant trigger and audio sense This allows the amplifier to operate seamlessly as part of a sophisticat ed custom installation A separate output trigger allows the amplifier to acti vate other components via a voltage trigger Diagram 1 Front Panel Active LED indicates that the amplifier is working BB1235 ACTIVE PROTECTION 1 2 Master power switch Turns off power to amplifier Protection LEDs indicate that either a fault in the wiring the speaker
5. RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER 17 18 Diagram 8 Home Theater Installation SOURCES gt n OUTPUT HOME THEATER RECEIVER PROCESSOR 2 L CD Player SUBWOOFER REAR REAR OUTPUT LEFT CENTER RIGHT LEFT RIGHT CHANNEL OUTPUTS pe DVD Player R VCR 6 5 usa del BB1235 12 Amplifier Nuffoer BUS BUS INPUTS INPUT OUTPUT CHANNEL 2 CHANNEL3 CHANNEL CHANNELS 6 CHANNEL7 9 CHANNELIO CHANNELI CHANNEL 12 6 ma wd EVE E gence P HE PCR Q Cu Oo ca rQ Cu rQ co Ono rO x Om rO cu rO B une UNE UNE UNE une une UNE HE N N N 84 3 UN N Jo 1 O Co co FUSE 10 AMP Or Poe we BADEN aux Ax OO OO Hn Co sum Cn oq a A oR REL RRL LOR REL RRL OR REL RELL RRL L RELL R ROL SPEAKER OUTPUTS EEEEEEEBI senec pugs 120V 60HZ E CHANNELS 1 8 CHANNELS 9 12 9N as 40 80 40 40 40 40 42 m LT ELI Lr is 9 BRIDGED BRIDGED BRIDGED BRIDGED BRIDGED BRIDGED 0050 050 OO 9 290
6. oso gt 6I f m HA HA kast mg je GEG EMO OSG osc UNE UNE une UNE aN ON N N 9 n H H m H n n n n n FUSE 10 AMP BUSSAUUNE auseAUxeLNe BUSeADKGLNE BUSAUKPLNE BUSAUKLNE BUSeADGUNE BUSAUKLNE BUSSAUX UNE BUSHAUXGLINE BUSADELNE BUSTAUKUNE co cn co co co REL RTL RELL RELL RELL SPEAKER OUTPUTS EEEEREE AC 1207 60H2 sense CHANNELS 1 8 CHANNELS 9 12 s EP so 4 Sense BRIDGED BRIDGED BRIDGED BRIDGED OJA LOA AVO BO ODA LO ROT IRO OIRO OIROOIRO OIROOJ 2 9 OUTPUT Power Consumption CHANNEL 1 20 p _ 5 oves 7 _ _ EE Wares VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL O LEFT SPEAKER ZONE 1 RIGHT SPEAKER
7. rO uuo 2 LINE iE 1 BUS AUX LINE BUS AUXeLINE BUS AUXYLINE 1 BUS AUX LINE BUS AUX LINE oo 1 BUS AUX LINE BUSSAUX LINE 1 BUSMAUKSLINE BUSsAUX LINE n n BUSSAUXeLINE BUSSAUXeLINE t 9 1 e e 6 9 SOCOR SOCOR el iv CONTROL OUTPUT O 2 Or OSAS FUSE 10 AMP O OR AUX LI Co oJ Co 20 Co oo Co Co oo INPUT ouTPUT R REL L R REL L R RL L R L RRL L R REL L R REL L R REL L RRL L R RL L R OREL L R OREL L SPEAKER OUTPUTS STEEP TTT InstaLLock Plugs naang AC 120V 60HZ aj EEEEEEEE CHANNELS 1 8 CHANNELS 9 12 9N T 4Q 40 80 _ 40 80 _ 40 40 _ 40 gt SENSE T BRIDGED BRIDGED BRIDGED BRIDGED BRIDGED BRIDGED CD Player 1 Tape Deck DVD Player ZONE 1 Power Consumption CHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL 4 CHANNEL 5 CHANNEL 6 C
8. EAKER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER L CD Player b R DVD TAPE OUTPUT INPUT INPUT INPUT L R L R OUTPUT ies P L Tape Deck amos 988 HOR OUTPUT DVD Player SpeakerCraft usa Model BB1235 12 Channel Amplifier SERIAL NUMBER AN LINE INPUTS CHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL4 CHANNEL 5 CHANNEL 6 CHANNEL 7 CHANNEL 8 CHANNEL 9 CHANNEL 10 CHANNEL 11 CHANNEL 12 LEVEL LEVEL LEVEL LEVEL LEVEL pe LEVEL LEVEL vapor LEVEL LEVEL LEVEL LEVEL LEVEL LL L1 r E Lt T Lt m Lr Ona ano B LINE LINE B LINE LINE 8 8 LINE LINE B LINE LINE B LINE LINE s A E OO OO OO 1 OO 1 1 BUS AUX LINE BUS AUX LINE BUS AUX LINE BUS AUX LINE BUS AUX LINE BUS AUX LINE BUS AUX LINE BUS AUX LINE BUS AUX LINE BUSPAUX LINE BUS AUX LINE BUS AUX LINE FUSE 10 Aux Aux Co 27 Co TT co OO 1 co OO input OUTPUT R RL L R RL L R RL R REL L R L RRLL R REL L R R L L R L R L R RL L R RL L SPEAKER OUTPUTS e o o o o o o o e o o o o o o o sav In
9. Example Diagram 7 This configuration allows the user to access the sources connected to a home theater receiver for use in multi room installation It relies on the home the ater receiver having a multi room or similar output The Input Selection switch on each channel is set to BUS with adjacent channels assigned left and right Home Theater Example Diagram 8 This example uses the power amplifier to drive the speakers in the home the ater system The two channels remaining are used to provide music to a sepa rate area or room This configuration utilizes the bridging mode to provide additional power The following adjacent channels are bridged together land 2 3 and 4 5 and 6 7 and 8 9 and 10 Note that on each one of these the signal is con nected to the LINE IN on the first channel of the pair the Bridging switch is set to ON and the Impedance switch is set to 8 ohms In addition the speaker outputs used are the ones to the left and right of the Bridged text on the output 10 Diagram 4 Installation PREAMPLIFIER RECEIVER AUDIO SOURCES OUTPUT LEFT SPEAKER RIGHT SPEAKER EN LEFT SP
10. HANNEL 7 CHANNEL 8 CHANNEL 9 CHANNEL 1 CHANNEL 11 CHANNEL 12 830 Watts VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL EN EN E ue LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER CD Player 2 OUTPUT VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER ZONE 2 13 14 Diagram 6 Multi Zone Installation 2 CD Player OUTPUT AUDIO SOURCES 6 STEREO PREAMPLIFIERS OR MULTIZONE PREAMPLIFIER DVD Player OUTPUT m ZONE 1 OUTPUT L R DVD INPUT INPUT ZONE 2 ZONE 3 OUTPUT OUTPUT L R L R 4 t x OUTPUT Hi Hy TUNER TAPE INPUT INPUT ZONE 4 ZONE 5 OUTPUT OUTPUT L R L R Tape Deck OUTPUT ZONE 6 OUTPUT L R SpeakkrCraft se Model BB1235 Amplifier RIAL NUMBER A LINE INPUTS caer caes odes cene crafters
11. MP RRL L L R L R RL L 8 8 42 80 40 CHANI A 6 CHANNEL 7 Binding posts allow the use of stripped speaker wire spade connectors or banana plugs CHANNELS 9 17 BRIDGED CHANNEL 8 AC Dv 60HZ BRIDGED BRIDGED exe e Powe fon CHANNEL 9 CHANNEL 10 CHANNEL 11 CHANNEL 830 Wa 3 Prong removable power plug Fused AC input Plugs for InstaLLock connectors are provided for easy connection of speaker outputs Requires optional InstaLLock amplifier connectors to be purchased separately SYSTEM DESIGN amp OPERATION CONSIDERATIONS To best understand system design and operation of the BB1235 it is useful to understand the following terms and features as they relate to the BB1235 Multi Room A system design that plays the same source at the same time in all rooms If a change is made in one room the same change takes place in all other rooms For example if a listener changes from CD to Tuner in the bedroom the same change will be heard in the kitchen Note With the use of volume controls or speaker switchers the volume of each room can be controlled sep arately of the other rooms Multi Zone A system design that allows different sources to be played in each room A change in one room can be made without changing the other rooms For example the CD player can be heard in the bedroom while the kitchen is playing the tuner Bridging The combining of 2 chann
12. NEL 12 prince LEVEL cringe E LEVEL singe LEVEL LEVEL singe MEL LEVEL pe LEVEL Ono 3 une UNE une LINE une LINE une m N PA i N E 1 1 Lr FUSETO AME BUS AUX LINE BUSTAUXSLNE GUSPAUXUNE GUSPAUXUNE BUS AUXPLNE BUSSAUXKUNE BUSMADKUNE BUSPAUPMUNE cn m co 1 co cn co cu RRL RRL RTL RRL RRL RRL SPEAKER OUTPUTS m w EREREREE asado Plugs 120V 60HZ acer CHANNELS 1 8 CHANNELS 9 12 40 sa 40 80 40 80 40 80 40 40 Lr BRIDGED BRIDGED BRIDGED BRIDGED BRIDGED BRIDGED REAR LEFT SPEAKER SUBWOOFER REAR RIGHT SPEAKER E E EI E e PI E ui e e 0911 01 ee Ne e ees Se Consumption CHANNELI chANnneL2 B cHannet3s 1 I 5 _ M if CHANNEL raf wars 1 2 3 4 5 6 VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL PEN EN m KC LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER RIGHT SPEAKER LEFT SPEAKER
13. Power Amplifiers Thank you purchasing the SpeakerCraft BB1235 power amplifier The BB1235 contains the excellent performance and reliability that SpeakerCraft products have been recognized for The BB1235 fea tures the flexibility needed for demanding custom installation appli cations It is ideal for use in home theater stereo multi room multi zone and commercial applications For best performance please carefully read the instructions in this manual Table Of Contents Page Features 2 Front Panel Diagram 3 Rear Panel Diagram 5 System Design amp Operation Considerations 7 System Design Examples 9 Installation Considerations 21 Installation 22 Operation 26 Troubleshooting 27 Specifications 29 Warranty 30 FEATURES Audiophile Design Sophisticated design and superior internal components result in outstanding sound guality performance and long term reliability Advanced Protection Each channel is individually protected If the circuitry determines that a chan nel must be shut down for protection a rare occurrence only the channel affected will be turned off The other channels will continue to play Once conditions return to normal the affected channel will be turned back on and operate as normal Flexible Input Selection Each of the 12 channels can be assigned a variety of source inputs A dedi cated input can be assigned to each channel Each channel can also be con figured to play common signals from the
14. UT 3 30V A C D C TRIGGER o INPUT CONSTANT X 3 5mm mini plug jack Mode Switch 8 SYSTEM DESIGN EXAMPLES There are many ways to configure the BB1235 amplifier The following pages contain some typical installation examples Use these examples to generate ideas for your system design Multi Room Installation Example Diagram 4 This illustrates the simplest use of the BB1235 distributing audio throughout the home In this example only one source can be selected at a time all pairs of speakers have the same audio signal available The Input Selection switch is set to BUS on all channels Adjacent channels are assigned left and right Multi Zone Example 1 Diagram 5 This illustrates the simplest way to provide an audio signal to one area that is independent of the main audio signal Zone 2 uses a CD player connected to just that Zone The rest of the system operates Zone 1 and is connected to the preamplifier receiver The Input Selection switch on channels 1 10 is set to BUS with adjacent channels assigned left and right The Input Selection Switch on channels 11 and 12 are set to LINE Multi Zone Example 2 Diagram 6 This illustrates the ability to listen to different audio signals in each zone inde pendent of every other zone The system relies on a multi zone preamplifier or up to 6 independent preamplifiers The Input Selection switch on each channel is set to LINE Home Theater Multi Room
15. ce to the 12 output please make sure that the device can accept 12V DC at 150ma To connect the output to another device you must access the output jack with a two conductor plug that fits into the 3 5mm jack Be aware that the tip of the plug will be If you are unsure about using this feature please contact an authorized SpeakerCraft dealer for assistance Connecting the Speaker Wires CAUTION Only make connections when the amplifier is turned off Using Standard Connections See Diagram 13 For best performance use high quality speaker cables The banana plug outputs on the back of the amplifier allow for a variety of ways to con nect your speakers to the amplifier Diagram 13 Binding Post Detail Insert Speaker Wire or Spade Connector To Tighten Insert Banana Plug Using InstaLLock Connector purchased separately The InstaLLock Connector designed for use with SpeakerCraft Amplifiers must be used The InstaLLock Connector designed for SpeakerCraft Speaker Selectors is not labeled for use with the amplifiers Please follow the instructions included with the Connector 25 Connecting the Line Level Audio Inputs CAUTION Only make connections when the amplifier is turned off There are three areas that an input signal can be connected BUS AUX and LINE IN Refer to the System Design Examples to determine which is best suit ed for your application Audio Outputs Sources connected to the BUS or i
16. election for these inputs is done via the Input Selection switch marked BUS AUX LINE To select a source for each channel follow the steps below 1 Select the desired source input Set the Input Selection switch to BUS will play source connected to the BUS INPUT AUX will play source connect ed to the AUX INPUT or LINE will play source connected to the LINE IN Diagram 9 BUS AUX LINE 2 The BUS and AUX inputs each have a left and right input The left right or combined left and right signal from these may be selected via the switch marked R R L 17 Select the side you want the channel to deliver Selecting R will play the right channel of the selected input Selecting L will play the left channel of the selected input Selecting will play the combined signals of right and left Diagram 10 R Select the Impedance Setting See Diagram 11 CAUTION The switch must always be set to 88 if the adjacent channels are bridged For best results if you will be using multiple speakers that will make the over all system impedance load drop to below 4 ohms at any pair of outputs make sure that the switch above the speaker inputs is in the 4 ohm speaker setting If the system impedance load will not drop below 4 ohms leave it in the factory setting of 8 ohms 80 40 Diagram 11 LI 23 Selecting Bridge Mode See Diagram 12 Under normal operation this should be left in the 8 ohm posi
17. els to create one mono channel It is useful when more volume is needed in a particular area Source Component audio or video that provides an audio signal Examples are CD VCR DVD tape deck and tuner The source provides the audio information that is amplified by the BB1235 Channel A distinct unit of the amplifier that provides output to one speaker On the BB1235 the input to each channel can be configured to select from the BUS INPUT the AUX INPUT or that channels unique CHANNEL INPUT Two adja cent channels can be bridged to provide higher power to one speaker Level Controls Allows any of the channels to be adjusted independently to raise or lower the output of each channel This may be used to control the speaker output in order to balance different rooms or areas of the system BUS AUX LINE Switch Allows each channel to play a variety of different inputs Depending on the switch position the channel amplifies the signal connected to the BUS input the AUX input or its own LINE input R R L L Switch When either a BUS or AUX input is selected this switch is used to direct the channel to play the left signal from the input L or the right signal from the input or a combined right and left signal from the input R L 7 Bus Input Allows the signal from a source to be distributed to any of the 12 channels on the amplifier Auxiliary Inputs Allows a the signal from a secondary source to be distribu
18. f the amplifier can be used to adjust the level of each channel There are many reasons for needing to adjust the level You many wish to closely match other levels in the system or you may wish to limit the volume level in an area such as childs room 26 TROUBLESHOOTING The amplifier is designed to function trouble free Most problems occur because of operating errors If you have a problem please check the trou bleshooting list first If the problem persists contact your authorized SpeakerCraft dealer or SpeakerCraft customer service at 800 448 0976 Possible Causes And Solutions No sound is heard on all channels No sound is heard on one or some channels Audio cable to the source component is not connected properly or the cable is bad Use another cable that you know is good The Input Selection switch is posi tioned incorrectly Refer to installation instructions for proper settings Some or all of the internal fuses are blown Return the amplifier to your SpeakerCraft dealer for servicing Audio cable to the source component is not connected properly or the cable is bad Use another cable that you know is good The Input Selection switch is posi tioned incorrectly Refer to installation instructions for proper settings The Bridging switch is positioned incorrectly Refer to installation instruc tions for proper settings Check the termination points of the speaker cable at bo
19. ge from another device such as a receiver 1 2V output to turn on other devices when amplifier is powered up Connect to projector screens powered drapes or other devices with voltage triggers 12 Channel Pr BRIDGIDGE OFF ON BUS AUX LINE BUS AUX LINE CHANNELS 1 BRIDGDGED e Xe e EIL RR e 0 0 6 000 0 0 99e 9 Level controls for each channel Gold plated individual channel inputs allow you connect different audio sources to each channel LINE INPU CHANNEL 6 CHANNEL 7 LEVEL EVEL LEVI BRIDGE OFF ON m P BRIDGED 22 LINE IN R RRL L SPEAKER OUTPUTS Bridging switch allows you to easily double the power output by coupling two chan nels together Input Selection switch allows you to select between the common bus to One switch allows you to select which stereo input channel will play through the speaker out puts left right or left SERIAL NUMBER CHANNEL 8 LINE IN BUS AUX LINE BUS AUX LINE R RL L and right combined If switched to Left Right both input channels are combined and auxiliary inputs or the individual channel input AF CHANNEL CHANNEL 1 CHANNEL 11 CHANNEL 12 LEVEL LEVEL BRIDGE O OFF ON LEVEL LEVEL BRIDGE BUS AUX LINE BUS BRIDGED E zz m 0 BRIDGED BUS AUX LINE BUS AUX LINE FUSE 10 A
20. nputs can be forwarded to other components or amplifiers by connecting to the corresponding output sections to the right of each input section By using standard audio patch cables you can connect these outputs to the inputs of another amplifier Up to 5 SpeakerCraft amplifiers can be daisy chained together AC Power Plug the socket of the AC cord supplied with the amplifier into the receptacle on the rear of the amplifier Plug the 2 prong plug directly into a 120V 60 Hz wall outlet CAUTION Do not plug the amplifier into the preamplifier or receivers switched outlet If you wish to have the amplifier turn on once the preamplifi er or receiver is activated use one of the turn on modes voltage or audio OPERATION See Diagram 1 for the location of the following Power Switch The switch marked Power on the front panel of the amplifier will turn off all amplifier circuitry no matter which turn on mode is selected Refer to the Power Mode Selection section for further information Active LED When lit the Active LED indicates that the amplifier is operating Refer to the Power Mode Selection section of this manual for further information Protection LEDs When lit the Protection LEDs located on the front of the amplifier indicate that either a fault in the wiring the speaker or the amplifier has caused the channels associated with the LED to shut down Level Adjustment Knobs The level adjustment knobs on the back panel o
21. ot apply 30 940 Columbia Ave Riverside CA 92507 4492 800 448 0976 Fax 951 787 8747 www speakercraft com LIT 8 00
22. product was purchased from a SpeakerCraft Authorized Dealer Defective products must be shipped together with proof of purchase prepaid insured to the SpeakerCraft Authorized Dealer from whom they were purchased or to the SpeakerCraft fac at the address listed on this installation instruction manual Freight collect shipments will be refused It is preferable to ship this product in the original shipping container to lessen he chance of transit damage In any case the risk or loss or damage in transit is to be borne by the purchaser If upon examination at the Factory or SpeakerCraft Authorized Dealer it is determined that the unit was defective in materials or workmanship at any time during this warranty period SpeakerCraft or the SpeakerCraft Authorized Dealer will at its option repair or replace this product at no additional charge except as set forth below If his model is no longer available and can not be repaired effectively SpeakerCraft at its sole option may replace the unit with a current model of equal or greater value In some cases where a new model is substituted a modification to the mounting surface may be required If mounting surface modification is required SpeakerCraft assumes no responsibility or liability for such modification All replaced parts and product become the property of SpeakerCraft nc Products replaced or repaired under this warranty will be returned to the original retail purchaser within a reasonable
23. stalLock Plugs AC 120V 60HZ CHANNELS 1 8 CHANNELS 9 12 9N E 40 40 _ 40 _ 40 40 _ 40 BRIDGED BRIDGED BRIDGED BRIDGED BRIDGED BRIDGED BAD L O DO LD KOL oO psevacroc SO e OO 99 II KOOL KOOLI T 5 OUTPUT Power Consumption CHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL 4 CHANNEL 5 CHANNEL 6 CHANNEL 7 CHANNEL 8 CHANNEL 9 CHANNEL 1 CHANNEL 11 CHANNEL 12 830 Watts Room 1 Room 2 Room 3 Room 4 Room 5 Room 6 VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER 11 12 Diagram 5 2 Installation 1 PREAMPLIFIER RECEIVER AUX DVD TAPE CD OUTPUT INPUT INPUT INPUT INPUT L L R L R TOL o5 e SOURCES OUTPUT FOL R OUTPUT pet 9 R OUTPUT L d R e SpeakerCraft caitornia usa Model BB1235 12 Channel Amplifier SERIAL NUMBER LEVI BRIDGE CHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL4 CHANNEL 5 Ono 8 LINE UNE 5 UNE UNE 8 UNE L 6 L A LINE INPUTS CHANNEL 6 CHANNEL 7 rO OFF ON CHANNEL 8 EL LINE IN CHANNEL 9 CHANNEL 10 1 CHANNEL 11 CHANNEL 12
24. ted to any of the 12 channels of the amplifier Impedance Switch Select either 8Q or 40 to maximize amplifier performance with a variety of speaker loads See the sections titled Selecting the Impedance Setting and Selecting Bridge Mode in the Installation section for proper setting of this switch Power Mode Selection There are three ways to turn the amplifier on and off Use the following list to decide which mode will work best for your application See Diagram 3 below 1 Constant Use this selection when you wish to manually turn the amplifier on and off by using the front mounted power button 2 Trigger Use this selection if you wish the amplifier turn on when it receives voltage 3 30V A C or D C from an external source and turn off once that voltage has stopped Some components have voltage outputs that are designed for this use In addition there are devices that can be used as part of an automated system that will provide voltage to enable the mode The voltage source must be connected to the trig ger input jack on the back of the amplifier 3 Audio Sense Use this selection when you want the amplifier to turn on when the amplifiers main input receives an audio signal At the moment that either the left or right input jacks receive a signal the amplifier is turned on Once the signal stops the amplifier waits 3 minutes and then turns off Diagram 3 Power Mode Selection 3 A C D C TRIGGER AUDIO SENSE INP
25. th the amplifier and speaker If using InstaLLock Connector check the connections at the levers speaker is not working Make sure by connecting the channel to a speaker that you know to be working Continued on next page The Problem Possible Causes And Solutions No sound is heard on one or some channels Continued Hum or buzzing sound is heard Amplifier will not turn on The level adjustment on the channel is turned all the way down Turn it clockwise to raise the volume Some or all of the internal fuses are blown Return the amplifier to your SpeakerCraft dealer for servicing The sound may be caused by a ground loop in the system Try to eliminate this by reversing the AC plugs of other components in the system Other causes include faulty cables The amplifier must be plugged into a live outlet The power switch on the front panel must be on The Power Mode switch may be posi tioned incorrectly 28 SPECIFICATIONS BB1235 Power Output 35 Watts per channel RMS at 8 ohms all channels driven Input Sensitivity 500mv for 8 ohm rated output Input Impedance 15K ohms Total Harmonic Distortion 06 20Hz to 20kHz 8 8 ohms all channels driven 29 WARRANTY Limited Two Year Warranty SpeakerCraft Inc warrants to the original retail purchaser only that this SpeakerCraft product will be free from defects in materials and workmanship for a period of two years provided he
26. the amplifier 21 INSTALLATION CAUTION All connections and switching must be done with the amplifiers master power switch positioned to off Select the Power Mode Selection Refer to the Power Mode Selection area under installation considerations to determine which setting to use to turn the amplifier on Once you have determined which mode you will be using set the switches as outlined in the following chart Selection Switch Settings Active Light Mode Constant Power Mode Selection Set to Will light up when the Constant amplifier is On Active Master Power Button Push to In and will go off when it position to turn amplifier On out is Off position is Off Trigger Power Mode Selection Set to Will light up only when Trigger the amplifier receives a Master Power Button Leave in the voltage indicating the On position Button in amplifier is On Active Will turn off once the voltage has stopped Audio Power Mode Selection Set to Audio Will light up only when Sense Sense the amplifier receives an Master Power Button Leave in the audio signal to the On position Button in main inputs indicating the amplifier is ON active Will turn off three minutes after the signal has stopped 22 Selecting Inputs See Diagrams 9 amp 10 Each channel is capable of delivering the source from many inputs The three main inputs are BUS AUX and LINE IN The s
27. time freight prepaid This warranty does not include service or parts to repair damage caused by accident disaster misuse abuse negligence inadequate packing or shipping procedures commercial use volt age inputs in excess of the rated maximum of the unit or service repair or modification of the product which has not been authorized or approved by SpeakerCraft This warranty also excludes normal cosmetic deterioration caused by environmental conditions This warranty will be void if the Serial number on the product has been removed tampered with or defaced This warranty is in lieu of all other expressed warranties If the product is defective in materi als or workmanship as warranted above the purchasers sole remedy shall be repair replacement as provided above In no event will SpeakerCraft be liable for any incidental or consequential damages arising out of the use or inability to use the product even if SpeakerCraft Inc or a SpeakerCraft Inc Authorized Dealer has been advised of the possibility of such damages or for any claim by any other party Some states do not allow the exclu sion or limitation of consequential damages so the above limitation and exclusion may not apply All implied warranties on the product are limited to the duration of this expressed warranty Some states do not allow limitation on the length of an implied Warranty If the original retail purchaser resides in such a state this limitation does n
28. tion as illustrat ed in Diagram 11 It is sometimes desirable to combine two channels into one through bridging The output of the combined channels can then be used to power one speaker To bridge two adjacent channels first make sure that the Impedance Switch is in the Bohm position Next move the switch marked BRIDGE to the ON position The speaker must be connected to the terminals immediately under the BRIDGED text as indicated in Diagram 12 All input selection and settings for the bridged channels will be done on the channel to the left Do not connect more than one speaker to the outputs of the bridged channel Diagram 12 SpeakerCraft rve BUS BUS INPUT OUTPUT CHANNEL 1 CHANNEL 2 BRIDGE L1 OFF ON 10 ON Position SA eje Je PAE B Qs JS AUX LINE BUS AUX LI A i i gt gt E gt gt F t 89 40 _ Leave in 80 Position SENSE T BRIDGED ND 6 o 8 _ la CONTROL OUTPUT CHANNEL 1 CHANNEL 2 Wires to Speaker 24 Control Output The 12V output jack on the back of the amplifier can be used to turn on a variety of components equipped to be activated when they receive a 12V DC output Voltage is only delivered to the jack when the amplifier is on or active When the amplifier turns off the voltage ceases Before connecting another devi
Download Pdf Manuals
Related Search