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Thank you for purchasing the SpeakerCraft BB275 power 
amplifier. The BB275 contains the excellent performance and 
reliability that SpeakerCraft products have been recognized 
for.  For best performance please carefully read the instruc-
tions in this manual.

Installation Considerations  

 

 

  3

Power Mode Selection  

 

 

 

  3

Operating Multiple Speakers 

 

 

  4

Installation   

 

 

 

 

  5

Front and Back Panel Diagrams   

 

 6-8

Operation 

 

 

 

 

 

  9

Troubleshooting 

 

 

 

 

 10

Specifications  

 

 

 

 

 11

Table Of Contents  

 

 

 

Page

Summary of Contents for Big Bang BB275

Page 1: ...l L R ACTIVE PROTECTION POWER SpeakerCraft Type Logo 22pt Bauhaus Bold Red PMS 485C Power Button 12pt Eras Demi Bold PMS Cool Gray 1 Lights 10pt Eras Demi Bold PMS Cool Gray 1 Model 12pt Eras Demi Bol...

Page 2: ...vicing to qualified service personnel 9 Heat The appliance should be situated away from heat sources such as radiators stoves or other appli ances that produce heat 10 Power Source The appliance shoul...

Page 3: ...at SpeakerCraft products have been recognized for For best performance please carefully read the instruc tions in this manual Installation Considerations 3 Power Mode Selection 3 Operating Multiple Sp...

Page 4: ...r 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 Constant Use this selection when you wish to manually turn the a...

Page 5: ...ay be engaged temporarily shutting down the amplifier When speakers are connected directly to the amplifier they will all play at the same time If you wish to control speaker pairs independently of ea...

Page 6: ...lug 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 Constant Will lig...

Page 7: ...go 22pt Bauhaus Bold Red PMS 485C Power Button 12pt Eras Demi Bold PMS Cool Gray 1 Lights 10pt Eras Demi Bold PMS Cool Gray 1 Model 12pt Eras Demi Bold PMS Cool Gray 1 2 5mm Mini Plug socket for 12VDC...

Page 8: ...er con nections Cascade Audio Output Jacks Connects to the line level inputs of other amplifiers Allows daisy chaining of up to 5 SpeakerCraft amplifiers Level Adjustment Screws are used to adjust the...

Page 9: ...the matching inputs Cascade Audio Outputs The amplifier is equipped with line level audio outputs labeled Cascade Audio Outputs see Diagram 2 By using standard audio patch cables you can connect these...

Page 10: ...ual for further information Protection LED When lit the Protection LED located on the front of the amplifier indicates that either a fault in the wiring the speaker or the amplifier has caused the amp...

Page 11: ...nents in the system Other causes may include faulty cables Amplifier will not turn on The amplifier must be plugged into a live outlet The power switch on the front panel must be on Audio cable to the...

Page 12: ...Input Sensitivity 77V for 8 ohm rated output Input Impedance 33K ohms Total Harmonic Distortion 08 20Hz to 20kHz 8 ohms 1 20Hz to 20kHz 4 ohms Power Consumption 500 Watts 120VAC 60Hz Dimensions Width...

Page 13: ...LIT 10 99 940 Columbia Avenue Riverside CA 92507 4492 800 448 0976 Fax 951 787 8747 www speakercraft com...

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