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Month: November 2019

Matched pair of GFA-565 boards in stock

Posted on November 23, 2019 by hoppesbrain

I have a matched pair of GFA-565 boards in stock! Fully tested. Near aerospace-grade construction. 😸
https://hoppesbrain.com/product/adcom-gfa-565-replacement-circuit-board/

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Restoration: now serving #150
* Not affiliated with ADCOM corporation, past or present.

Featured Products

  • Adcom GFA-555 MK1 Input Board $80.00 – $360.00
  • Matched input transistors, 2 pairs $30.00
  • Hoppe's Brain Adcom GFA-535 MK1 Power Supply Board Adcom GFA-535 MK1 Power Supply Kit $140.00
  • Universal Amplifier Soft-Start Power Supply Board $120.00
  • Adcom GFA-555 MK1 and MK2 Soft-Start Power Supply Upgrade Kit $350.00
  • Adcom GFA-565 Replacement Circuit Board $80.00 – $380.00

Recent Posts

  • Hoppe’s Brain Coronavirus Pandemic Statement.
  • New Product: “Capacitor Hats” for large screw-terminal electrolytic capacitors.
  • **SOLD** Pair of fully restored ADCOM GFA-565 Monoblock amplifiers $2600
  • New product! Input Boards for 1985 vintage Adcom GFA-555’s
  • Yet another variation of the Adcom GFA-555 discovered in the wild!

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Recent Posts

  • Hoppe’s Brain Coronavirus Pandemic Statement.
  • New Product: “Capacitor Hats” for large screw-terminal electrolytic capacitors.
  • **SOLD** Pair of fully restored ADCOM GFA-565 Monoblock amplifiers $2600
  • New product! Input Boards for 1985 vintage Adcom GFA-555’s
  • Yet another variation of the Adcom GFA-555 discovered in the wild!

Recent Comments

Frank Fisher on Hoppe’s Brain Coronaviru…
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…

Archives

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