This is a bare board of a high-end pure class A amplifier ( one channel only). The design is reference to MF's legendary A1000 power amplifier. Although it was launched 20+ years ago, it is still among the best of class A solid state amplifiers in terms of musicality. This design can cater for both TO-3 metal can and TO-3P transistors for versatility. This is an sale for one channel of amplifier PCB. To form a stereo amplifier two PCBs are needed. We have several kinds of power supply board in our shop that can well fit for high power class A amplifier. The original A1000 PCB can be found in the last two pictures of this listing. PCB dimension : 254mm x 124mm. Board thickness : 2mm. Copper thickness : 70um - 4 times of normal board copper thickness ! We provide schematic to the buyer. Component values are all printed on the circuit board. We do air shipping worldwide at US$7.50. We welcome combine shipping. Track Page Views With Auctiva's FREE Counter Powered by SoldEazy