Ampeg BA-108 User Manual

BA Series Bass Guitar Combo
12
BA-112 TECHNICAL SPECIFICATIONS
Output Power Rating 75 watts @ 4 ohms, 10% THD+N
Signal to Noise Ratio 80 dB (20 Hz–20 kHz, unweighted)
Maximum Gain @ 1 kHz Input: 54 dB
Aux input: 33 dB
Tone Controls Bass: +14/–14 dB @ 40 Hz
Mid: +5/–11 dB @ 500 Hz
Treble: +15/–15 dB @ 4 kHz
Speaker Specs 1 x 12" speaker: 4 ohms
Maximum Operating Range 40 ˚C ambient temperature, 93% relative humidity,
up to 2000 m altitude
Power Requirements 100 VAC~ 50/60 Hz, 70W
120 VAC~ 60 Hz, 70W
220 VAC~ 50/60 Hz, 70W
240 VAC~ 50/60 Hz, 70W
Size (H x W x D) 20.8 in x 18.0 in x 14.0 in
528 mm x 457 mm x 356 mm
Weight 42 lb / 19.1 kg (approximately)
SCRAMBLER
TONE CONTROL
CIRCUITRY
MIDRANGE
TONE CONTROL
CIRCUITRY
POWER
AMPLIFIER
BYPASS
DRIVE
MIX VOLUME
ULTRA
LO
ULTRA
HI
BASS
TREBLE
TONE CONTROL
CIRCUITRY
AUX Inputs
PHONES
AUX LEVEL
75 W
Mono 1/4”
STEREO 1/8”
Stereo1/8”
12” WOOFER
4 OHM
FOOTSWITCH
INPUT
FET
PREAMP
LIMITER

Ampeg BA-108 Specifications

General

Type	Bass Combo Amplifier
Power Output	25 Watts
Speaker Size	8 inches
Speaker	1 x 8" Custom Ampeg Speaker
Tone Controls	3-Band EQ
Inputs	1 x 1/4" Instrument
Headphone Output	1 x 1/8"
Aux Input	1 x 1/8"
Controls	Volume, Bass, Treble