Hoppe's Brain

DIY circuit board kits for Adcom and DIY Amplifiers

EBFA-565 Replacement Circuit Board for Adcom GFA-565 $80.00 – $440.00
Add-A-Buffer Adapter Boards (Your Op-Amp + TI BUF634A in a DIP-8 socket) (QTY: 5) $30.00
BFA-555 Smart Soft-Start Power Supply for the Adcom GFA-555 $220.00 – $340.00
Adcom GFA-555 MK1 Input Board $80.00 – $360.00
Matched input transistors, 2 pairs KSC1845 $30.00
Adcom GFA-535 MK1 Power Supply Kit $140.00

	David Gosiengfiao on Another tour of a Hoppe’…
	Mike Primce on New serial number tags just dr…
	hoppesbrain on New serial number tags just dr…
	Jon Morris on Another tour of a Hoppe’…
	Mike Smith on EBFA-565 versus BFA-565 (Valid…

	David Gosiengfiao on Another tour of a Hoppe’…
	Mike Primce on New serial number tags just dr…
	hoppesbrain on New serial number tags just dr…
	Jon Morris on Another tour of a Hoppe’…
	Mike Smith on EBFA-565 versus BFA-565 (Valid…