This is the bare PCB of a tube pre-amplifier regulator board with reference to the legendary SP-10 power supply section. ARC SP-10 is one of the best preamplifiers without argument. The board can guarantee the exceptional performance of the audio amplification stage.
This is a power supply PCB for tube amplifier. Audio section is not included. We provide schematic for this listing by EMAIL to buyers.
While this board was designed for SP-10, it can be used in other tube preamplifiers due to its superior performance in high voltage DC regulation.
PCB dimension : 120mm x 250mm.
PCB thickness : 2.3mm, 2 oz ( 75um thickness !!) copper deposition.

