This is the bare board PCB of a stereo preamplifier based on the legendary JC-2. This newest incarnation has on-board low noise shunt regulator and on-board audio selector so this is a all-in-one audiophile quality control amplifier board.
PCB dimension: 144mm x 111mm.
PCB thickness 1.6mm.
Copper thickness : 75um ( four times normal thickness !)
Operating voltage : AC input 16Vx2 to 20Vx2.
We provide schematic, part list and adjustment instruction to buyers by EMAIL.