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adcom gfa 555

  1. redondo2018

    Marantz 4070 transformer hum & static electricity everywhere

    Picked up a Marantz 4070 last week and it has a couple of issues that I'm guessing are all at least somewhat related. Right now I'm using it as a pre-amp to an Adcom GFA-555, which goes to a pair of Infinity CS-3006 (which is why I need the Adcom because the speakers really need 100wpc at least)...
  2. redondo2018

    What part of my system would you suggest I upgrade next?

    So I have what I guess is at best mid-fi main system in my not very large but not very small living room, that has a high ceiling. I listen to all kinds of music. About 90% of the time I listen to vinyl (I have thousands) with the other 10% split between regular CDs and reel-to-reel studio tapes...
  3. Lapes21

    Audiophile Newb Needs Some Help

    Hi guys, I’m new to the audiophile world but am an audio engineer so I’m very familiar with that area. Have enjoyed all the information on the forum about my new equipment but I'm still a little lost. I really have no clue what I’m doing in this realm but I recently paid $500 to a neighbor for...
  4. P

    What Adcom GFA-555 board is this?

    Hi all, I'm working on an Adcom 555 that I've had in my stash of hifi for over 10 years. A friend gave it to me after it stopped working. He said it had stopped working after he tried to hook up an old tube preamp up to it. The amp would turn on but not make a sound. The power fuse was good...
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