Hoppe's Brain

DIY circuit board kits for Adcom amplifiers

	hoppesbrain on Yet another variation of the A…
	Nelson Pass on Yet another variation of the A…
	Edward Verlie on GFA-555 MK1 “VERTICAL…
	Eric from Coast Elec… on New Adcom GFA-555 MK1 Input bo…
	hoppesbrain on The GFA-565 boards keep gettin…

	hoppesbrain on Yet another variation of the A…
	Nelson Pass on Yet another variation of the A…
	Edward Verlie on GFA-555 MK1 “VERTICAL…
	Eric from Coast Elec… on New Adcom GFA-555 MK1 Input bo…
	hoppesbrain on The GFA-565 boards keep gettin…