This is an assembled high fidelity power amplifier board.
The board features 6N3 tube buffer input , tube-like sound power IC TDA7294, on-board volume control and speaker protection circuit.
Quality components are used, such as Nippon Chemi-Con filtering caps, Wima caps for input and interstage coupling, Elna and Sprague e-caps for decoupling etc.
Transformer requirement : (1) 24VAC-0-24VAC 4A ; (2)12VAC 1A
PCB dimension : 140mm x 96mm
The board is assembled and tested. User only need to connect to appropriate heatsink( a must !), power transformer and audio connectors.
We do air shipping worldwide at US$7.00. We welcome combined shipping.