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BA300 Bass Guitar Combo Amplifier
6
System Block Diagram
Service Information
I
f you are having a problem with your BA300, you can go to our website (www.ampeg.com)
and click on Support for service information, or call 1-800-898-3211 during business hours
(7
am to 5 pm PST, Monday-Friday). If you are outside of the U.S., contact your local distribu-
tor for technical support and service.
OPTICAL
COMPRESSOR
OPTICAL
COMPRESSOR
INPUTS
RETURN
SEND
EFFECTS
LOOP
THRESHOLD
12AU7A
V1A
BASS
ULTRA LOULTRA HI
MIDRANGETREBLE
LINE
OUTPUTS
-12 dB
GROUND
LIFT
TUNER
OUT
0 dB
ON/OFFON/OFF
MUTEMUTE
12dB
PAD
12dB
PAD
V1B
12AU7A
GAIN
L PAD
MASTER
PRE / POST
LEVEL
STYLE
FILTERS
STYLE
FILTERS
MODERN AMPEG
ACTIVE TONE STACK
MODERN AMPEG
ACTIVE TONE STACK
300 WATTS
CLASS D
HORN
TWEETER
15” CERAMIC-MAGNET
WOOFER
X-OVER
BA300-210
BA300-115
2 X 10” CERAMIC-MAGNET
WOOFERS
(THE BA300-115 AND BA300-210 ARE IDENTICAL DESIGNS,
EXCEPT FOR THE NUMBER AND SIZE OF THE WOOFERS)
PEAK/MUTE
LED
PEAK/MUTE
LED
COMP LEDCOMP LED