Crate Amplifiers owner manual BX-440H / BX-4115 ThunderBass Amplifier Technical Specifications

BX-440H /BX-4115ThunderBass Amplifier

Technical Specifications:

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”H1x 19-1/2”W1x 15-1/4”D, 42lbs.
Size and Weight, BX-4115	23-5/8”H2x 24”W x 15-3/4”D, 87lbs.
1including rubber feet
2without casters installed; casters add 1-3/4” to height

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 47-593-01 • 06-96