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Ampeg is proudly Made in America.
©1999 SLM Electronics, 1400 Ferguson Avenue, St. Louis, MO 63133 U.S.A.
TECHNICAL SPECIFICATIONS:
OUTPUT POWER RATING 50 Watts at 8 ohms
MAX INPUT LEVELS 0dB Input: 800mV RMS
-15dB Input: 4.62V RMS
CD Input: 3.5V RMS
LINE OUT LEVEL 1.75V RMS
HEADPHONE OUT LEVEL 2.75V RMS
GAIN 40dB
STYLE 1 = -25dB @500Hz
2 = -12dB @500Hz
3 = flat
4 = +5dB @2kHz and above
5 = -6dB @50Hz and below
TREBLE 36dB range @10kHz
ULTRA MID 30dB range @500Hz
BASS 36dB range @50Hz
SPEAKER SPECS 12”, 50 w, 8 ohm, 1.5” voice coil dia., 30 oz. magnet
POWER REQUIREMENTS 120VAC, 60Hz, 70VA
100/115VAC, 50/60Hz, 70VA
230VAC, 50/60Hz, 70VA
SIZE AND WEIGHT 17-1/4” W x 18” H x 13-1/4” D; 39 lbs.
Ampeg continually develops new products, as well as improves existing ones. For this reason,
the specifications and information in this manual are subject to change without notice.
47-054-01 • 03/99
0dB
INPUT
-15dB
INPUT
VOLUME
MIXER
SPEAKER
STYLE
BASS ULTRA MID TREBLE
CD
INPUTS
TONE CIRCUITS
LIMITER
& POWER AMP
LINE
OUT
HEAD
PHONE
L
R
SYSTEM BLOCK DIAGRAM:
BA-112 BASS AMPLIFIER