This is a bare board of an audio buffer based on the buffer stage of Naim NAC 42.5

The board includes on-board regulator (7824) and multiple filtering capacitors to form a low impedance power supply circuit.

PCB dimension: 56mm x 56mm.  

Power supply input : 18Vx1 to 24Vx1 100mA AC 

We provide schematic and part list to customers of the board.

We do air shipping worldwide at US$6.00. We welcome combine shipping.