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This completely self-contained amplifier module simply fits into the back of a sub-woofer cabinet. The unit will automatically spring into life from it's Standby mode once a signal is received. The Volume and Crossover Frequency Controls together with the Phase Correction Switch allows the sub-woofer to be set for a desired sound. Installation can be completed in just minutes, simply make a 235mmH x 175mmW cutout into the back of the enclosure and slip in the module. Overall depth is 100mm.
Features
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Auto power on/off with signal presence
High and low level inputs
High level outputs
Volume control
Short circuit output protection
Active crossover variable from 20Hz - 200Hz
Phase reversal switch
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Specifications:
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Power Output: 180 Max @ 4Ω (0.5% THD)
Frequency Response(Variable): 20Hz - 200Hz
Roll Off Rate: 6dB/Octave
S/N Ratio: >64dB
Auto Turn On Sensitivity: 21mV
Auto Power Off Time: 15-20 Minutes
Input Impedance: (Line) 47k Ω, (Speaker) 200 Ω
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Recommended Project Idea:
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Purchase an A 2451 and 2 x C 3088 8" Woofers. Ideal combination for a D-I-Y home theatre subwoofer. The 8" woofers employed result in a compact enclosure that could easily fit behind or next to a couch.
This project can be built to the following specifications:
40 litre enclosure
70mm diametre port
100mm port length
This results in a sub enclosure tuned to 45Hz.
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Rear View
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