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Hoppe's Brain

DIY circuit board kits for Adcom and DIY Amplifiers

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* Not affiliated with ADCOM corporation, past or present.

Featured Products

  • BFA-565 Power Supply for Adcom GFA-565 $160.00
  • EBFA-565 Replacement Circuit Board for Adcom GFA-565 $80.00 – $400.00
  • BFA-555 Smart Soft-Start Power Supply for the Adcom GFA-555 $220.00 – $340.00
  • BFA-555 MK2 Input board for ADCOM GFA-555 MK2 $80.00 – $380.00
  • BFA-555 MK1 Input Board for Adcom GFA-555 MK1 $80.00 – $360.00
  • Matched input transistors, 2 pairs KSC1845 $20.00
  • BFA-535 Power Supply for Adcom GFA-535 MK1 $140.00

Recent Posts

  • A few pictures of a GFA-555 MKI without “The Works”
  • Interesting phenomena visualized. High voltage attracts dust!
  • Galaxy Audio GPS-8 Mini review and tear-down.
  • The original BFA-565 is back!
  • How to build a Test Jig, or Test Fixture, for your Printed Circuit Boards

Product categories

  • Adcom (11)
  • Amplifier Parts (9)
  • Circuit Boards (6)
  • Power Supply Kits (6)

Recent Comments

hoppesbrain on Sold: Fully Restored ADCOM GFA…
Robert on Sold: Fully Restored ADCOM GFA…
John Acosta on Some notes about restoring a G…
David Gosiengfiao on Another tour of a Hoppe’…
Mike Primce on New serial number tags just dr…

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Categories

  • Adcom
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Recent Posts

  • A few pictures of a GFA-555 MKI without “The Works”
  • Interesting phenomena visualized. High voltage attracts dust!
  • Galaxy Audio GPS-8 Mini review and tear-down.
  • The original BFA-565 is back!
  • How to build a Test Jig, or Test Fixture, for your Printed Circuit Boards

Recent Comments

hoppesbrain on Sold: Fully Restored ADCOM GFA…
Robert on Sold: Fully Restored ADCOM GFA…
John Acosta on Some notes about restoring a G…
David Gosiengfiao on Another tour of a Hoppe’…
Mike Primce on New serial number tags just dr…

Archives

  • April 2023
  • February 2023
  • December 2022
  • November 2022
  • October 2022
  • September 2022
  • May 2022
  • April 2022
  • February 2022
  • December 2021
  • June 2021
  • January 2021
  • August 2020
  • March 2020
  • February 2020
  • January 2020
  • November 2019
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  • January 2019
  • October 2018
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  • December 2017
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  • February 2017
  • November 2016
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  • June 2016
  • May 2016
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  • February 2016
  • January 2016
  • October 2015
  • September 2015
  • August 2015
  • July 2015
  • June 2015

Categories

  • Adcom
  • forsale
  • Refurbished
  • Uncategorized
  • Shop
  • Adcom Amplifier Refurbishing
  • Blog
  • ADCOM FAQ
  • Contact
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