MB42 Subwoofer Power Amplifier

Subwoofer Power Amplifier

300 watt monoblock subwoofer power amplifier
Low pass filter (crossover) 20Hz...180 Hz, 24 dB/oct.
Left-Right inputs summed
 RCA  inputs
Damping+Phase controls for matching with main speakers
Gain control
Use 1 MB42 for common subwoofer
Use 2 MB42 for stereo subwoofers

Subwoofer Amplifier 
    Inside view of the MB42
    300 watt linear amplifier with heatsinks on back
    MOSFET power transistors
    Toroidal power transformer.
    Dual RCA input jacks and 5way binding posts on the rear.
    Balanced XLR inputs available
    120VAC/220VAC universal power supply

inside view; top cover removed
click to see larger image

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Please let us know: phil@marchandelec.com