Ampeg Bass Combo B5R User Manual

Owner’s Guide
for the
B5R
Bass Amplifier
Made in the U.S.A.by 

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Important Safeguards and Precautions:
All Ampeg products are designed for continuous safe operation, as long as common sense is used and steps are taken to
help avoid certain problems. Abiding by the following rules can help prevent damage to your amplifier, yourself and others.
•The amplifier is equipped with a three-pronged AC power cord. To reduce the risk of electrical shock, NEVER
remove or otherwise attempt to defeat the ground pin of the power cord.
•Connect the amplifier ONLYto a properly...

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An Introduction to your new Ampeg B5R Bass Amplifier:
Thank you for making one of the best choices you will ever make for your musical career – choosing one
of the finest bass amps available, the Ampeg B5R. This versatile and powerful bass amplifier delivers up
to 675 watts of unsurpassed musical power, and offers several outstanding features.
All of the features and controls of your B5R are covered in detail within the pages of this owner’s guide.
We recommend going over them before you use the...

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The Front Panel:
1. 0dB INPUT:The signal output from an instrument (active or pas-
sive – typically passive) or a line level signal may be connected here
by means of a shielded instrument cable. The signal at this jack is
sent into the preamp at full amplitude.
2. -15dB INPUT: The signal output from an instrument (active or pas-
sive – typically active) or a line level signal may be connected here
by means of a shielded instrument cable. The signal at this jack is
reduced 15dB before it is sent into...

The Rear Panel:
5Speakon®is a registered trademark of Neutrik AG.
21. CIRCUIT BREAKER:The B5R employs an AC line circuit
breaker to help protect against damage due to excessive current
demands. If the amplifier stops working, check the circuit break-
er. If it has opened, the button will be protruding and showing a
contrasting color. You can reset the circuit breaker by pushing it
in until it latches. The breaker must cool down for a short time
before the button will latch. If the circuit breaker opens...

OUTOUT
OUTOUT
OUTOUT
INOUT
ININ IN IN
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Some Suggested Settings
SVT: SVT OVERDRIVEN:
FUNK: ALTERNATIVE CLEAN:
LOUD CLEAN ROCK: HARD-DRIVEN ROCK:
LAYERED BASS W/GUITAR MIX:
POWER TRIO:
Since so many variables affect
the actual sound of any system,
the following settings are
offered as starting points to
help you find the exact sounds
your playing demands. When
using the B5R, please keep in
mind the following points:
•The Volume and Gain controls
are used together to set the
relative levels of each...

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Troubleshooting
In the unlikely event that your B5R should malfunction, take a few minutes to troubleshoot it before you call for ser-
vice. You can save yourself time and money by doing it yourself, and often the problem is something quite simple.
If the problem isn’t covered above, or if the steps lead you here, then contact your Ampeg dealer for service informa-
tion. Also, you should refer your amp to an authorized service center if it gets dropped, has liquid spilled into it, or sustains
damage to...

P/N 47-043-01  .
05/00 Ampeg reserves the right to change specifications without notice.
Ampeg is proudly Made in America. ©2000 SLM Electronics, 1400 Ferguson Avenue, St. Louis, MO 63133 U.S.A.
Technical Specifications
OUTPUT POWER RATING675 Watts @ 2 Ohms (500 Watts Continuous)
380 Watts @ 4 Ohms (310 Watts Continuous)
220 Watts @ 8 Ohms (180 Watts Continuous)
TONE CONTROL RANGE
Bass:22dB range @ 50Hz
Ultra Mid:13dB range @250Hz
Treble:22dB range @ 8kHz 
SIGNAL TO NOISE RATIO75dB typical 
FOOTSWITCH...