Technical Specifications:
CRATE/SLM ELECTRONICS,A DIVISION OF ST. LOUIS MUSIC, 1400 FERGUSON AVENUE, ST. LOUIS, MO 63133 47-599-02 • 02-96
CRATEcontinually develops new products, as well as improves existing ones. For this reason,
specifications and information in this manual are subject to change without notice.
Output Power Rating 350 watts @ 0.2% THD, 4 ohm load – 120VAC
200 watts @ 0.2% THD, 8 ohm load – 120VAC
Gain @ 1kHz 61dB, tones at “5”
Tone Control Range
Low Boost +8dB @ 20Hz
Low ±13dB @ 40Hz
Mid ±11dB @ 260Hz
High ±15dB @ 5kHz
High Boost +10dB @ 10kHz
Graphic EQ Level +8dB, -10dB
Graphic EQ Range ±12dB @ 40Hz, 100Hz, 250Hz, 625Hz, 1.6kHz, 4kHz, 10kHz
Signal to Noise Ratio 84dB typical
Input Impedance 0dB input: 1M ohm
-15dB input: 122k ohm
Maximum Signal Level Accepted 0dB input: 2.5V peak to peak
-15dB input: 14V peak to peak
Tube Type: 12AX7 (preamp)
Effects Loop Level 1V RMS for full power output
Power Requirements
Domestic 120VAC, 60 Hz, 10A
Export 240VAC, 50 Hz, 5A
Size and Weight 5.25”H x 19”W x 15.75”D, 36 lbs.
BT-350
BT-350 ThunderBass Amplifier