Driver analogic-vumeter board
a stereo driver board for two analogic audio vu-meter .
sensivity can adjust with two precision trimmer.
you can use for measure signal audio from power amplifier or preamplifier.
need a volatage supply of 12vac or 15/16VDC 100ma.
An aulisilary 12vdc exit is present for supply led or backlight instrumens.