Ampeg B4R Musical Instrument Amplifier User Manual


 
P/N 47-618-03
.
07/99
Ampeg reserves the right to change specifications without notice.
Ampeg is proudly Made in America. ©1999 SLM Electronics, 1400 Ferguson Avenue, St. Louis, MO 63133 U.S.A.
Technical Specifications
OUTPUT POWER RATING 1350 Watts Mono-Bridged @ 4 Ohms (1000 Watts Continuous)
840 Watts Mono-Bridged @ 8 Ohms (680 Watts Continuous)
2 x 675 Watts @ 2 Ohms (500 Watts Continuous)
2 x 420 Watts @ 4 Ohms (340 Watts Continuous)
2 x 255 Watts @ 8 Ohms (205 Watts Continuous)
TONE CONTROL RANGE
Bass: ±12dB @ 50Hz
Ultra Mid: +7dB @ 800Hz, -7dB @400Hz
Treble: ±18dB @ 5kHz
GRAPHIC EQ LEVEL ±6dB
GRAPHIC EQ RANGE
33Hz: ±15dB
80Hz: ±10dB
150Hz: ±8dB
300Hz: ±8dB
600Hz: ±8dB
900Hz: ±8dB
2kHz: ±8dB
5kHz: ±10dB
8kHz: ±12dB
SIGNAL TO NOISE RATIO 75dB typical
FOOTSWITCH JACK Graphic EQ On/Off, Mute On/Off Tip = Mute, Ring = EQ
POWER REQUIREMENTS
Domestic: 120VAC, 60Hz, 800VA
Export: 100/115VAC 50/60Hz, 800VA
230VAC, 50/60Hz, 800VA
SIZE AND WEIGHT 19/17.4W x 5.6H (with feet) x 15.5D; 43 lbs
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B4R Bass Amplifier