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