
 B5R Bass Amplifier
Technical Specifications
OUTPUT POWER RATING | 675 Watts @ 2 Ohms (500 Watts Continuous)  | 
  | 380 Watts @ 4 Ohms (310 Watts Continuous)  | 
  | 220 Watts @ 8 Ohms (180 Watts Continuous)  | 
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TONE CONTROL RANGE  | 
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Bass:  | 22dB range @ 50Hz  | 
Ultra Mid:  | 13dB range @250Hz  | 
Treble:  | 22dB range @ 8kHz  | 
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SIGNAL TO NOISE RATIO  | 75dB typical  | 
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FOOTSWITCH JACKS  | A: Channel Switch; B: Octave (Tip), Channel Combine (Ring)  | 
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POWER REQUIREMENTS  | 
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Domestic:  | 120VAC, 60Hz, 545VA  | 
Export:  | |
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SIZE AND WEIGHT | 19/17.4”W x 3.8”H (with feet) x 15.5”D; 32 lbs | 
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Ampeg reserves the right to change specifications without notice.
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Ampeg is proudly Made in America. ©2000 SLM Electronics, 1400 Ferguson Avenue, St. Louis, MO 63133 U.S.A.
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