Hoppe's Brain

DIY circuit board kits for Adcom and DIY Amplifiers

	Eric on The GFA-565 boards keep gettin…
	John Acosta on Hoppe’s Brain is no long…
	Johnie Smith on ADCOM GFP-750 upgrade
	brettbashore on A Tour of a Hoppe’s Brai…
	Frank Fisher on Hoppe’s Brain Coronaviru…

	Eric on The GFA-565 boards keep gettin…
	John Acosta on Hoppe’s Brain is no long…
	Johnie Smith on ADCOM GFP-750 upgrade
	brettbashore on A Tour of a Hoppe’s Brai…
	Frank Fisher on Hoppe’s Brain Coronaviru…