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Technical Specifications:
CRATE/SLM ELECTRONICS,A DIVISION OF ST. LOUIS MUSIC, 1400 FERGUSON AVENUE, ST. LOUIS, MO 63133
47-593-01 • 06-96
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.
BX-440H / BX-4115
BX-440H / BX-4115 ThunderBass Amplifier
Maximum Input Signal Level Accepted 17 volts peak to peak (-15dB switch pressed in)
Input Power Requirements 120VAC, 60Hz, 1200 watts max.
Input Impedance 500k ohms (-15dB switch out), 75k ohms (-15dB switch in)
Signal to Noise Ratio 75dB typical
Output Power Rating 250 watts RMS @ < 5% THD w/8 ohm load, 120VAC line
440 watts RMS @ < 5% THD w/4 ohm load, 120VAC line
Gain @ 1kHz 67dB with EQ flat, Contour off
EQ Section 20dB range (±10dB) @ 40Hz, 100Hz, 225Hz, 625Hz, 1.6kHz,
4kHz, 8kHz and 16kHz
Internal Speaker
Size/Type 15” ThunderBass
Magnet 56 oz
Voice Coil 3”
Impedance 8 ohms
Size and Weight, BX-440H 7-1/8”H
1
x 19-1/2”W
1
x 15-1/4”D, 42lbs.
Size and Weight, BX-4115 23-5/8”H
2
x 24”W x 15-3/4”D, 87lbs.
1
including rubber feet
2
without casters installed; casters add 1-3/4” to height