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B1 rev 2 board for sale

B1 rev.2 complementary FET, as discussed here :

Board is designed by member Mikerodrig27, as posted here in the thread:

Resistors are Vishay CT55, Dale CMF60, Dale RN60 in the critical position. 2SK170/2SJ74 matched (to 0.1mA) quad IDSS value 8.3mA, from the highly recommended punkydawg ( eBay seller). Trimmed to a rock steady 0.00V dc on my Fluke multimeter on 300mV range.

58 USD (shipping included, registered + tracking). Shipping from Singapore
Some pictures for your reference


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