Hoppe’s Shop
DIY circuit board kits for Adcom amplifiers and other goodies.
Note: Fully assembled boards are usually out of stock, but they are built-to-order in less than 15 days.
Showing 1–16 of 19 results
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EBFA-565 Replacement Circuit Board for Adcom GFA-565
$80.00 – $400.00 Select options -
BFA-565 Power Supply for Adcom GFA-565
$160.00 Add to cart -
BFA-555 MK1 Input Board for Adcom GFA-555 MK1
$80.00 – $380.00 Select options -
BFA-555 MK2 Input board for ADCOM GFA-555 MK2
$80.00 – $400.00 Select options -
BFA-585 Input Boards for Adcom GFA-585
$160.00 – $760.00 Select options -
BFA-555 Smart Soft-Start Power Supply for the Adcom GFA-555
$220.00 – $340.00 Select options -
BFA-535 Power Supply for Adcom GFA-535 MK1
$140.00 Add to cart -
BFA-535 MK2 Power Supply for Adcom GFA-535 MK2
$140.00 Add to cart -
BFA-545 Power Supply for Adcom GFA-545 MK1 & MK2
$150.00 Add to cart -
Adcom GFA-535 MK1 Binding Post Adapter Kit
$50.00 Add to cart -
Binding Post Adapter Kit
$30.00 – $50.00 Select options -
Add-A-Buffer Adapter Boards (Your Op-Amp + TI BUF634A in a DIP-8 socket) (QTY: 5)
$30.00 Add to cart -
Earth-Loop Breaker Board
$25.00 Add to cart -
Matched input transistors, 2 pairs KSC1845
$20.00 Add to cart -
“Capacitor Hats” for Large Aluminum Electrolytic Capacitors
$25.00 Select options -
BFA-555 Input board for ADCOM GFA-555 MK1 EARLY Rack-Mount Models
$100.00 – $380.00 Select options