MB42 Subwoofer Power Amplifier

mb42 front

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

300 Watt linear amplifier with heat sink fan on back
    Dual speed quiet fan activated by heat sink temperature
    MOSFET power transistors on output stage
    Dual RCA input jacks and 5way binding posts on the rear.
    Balanced XLR inputs   

120VAC/220VAC universal high efficiency power supply  
    17.2"W x 3.5"H x 10.5"D, not counting the knobs, feet and rear panel connectors.

rear panel     

inside view

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Please let us know: phil@marchandelec.com