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Pilot High Fidelity Amplifier

In Electronics > Amplifiers > Show & Tell.
Amplifiers6 of 21Marantz 2285 (not a B)1976- my old stereo system-Tandy stores purchase - electronics.
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    Posted 2 years ago

    (6 items)

    I found these electronic pieces in an old attic: Pilot AA-908 High Fidelity Amplifier and Pilot Pilotuner AF-824 Receiver/Tuner (right side of second picture). Any thoughts on if they are rare or collectable pieces? Thanks!

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    1. AnythingObscure AnythingObscure, 2 years ago
      No idea offhand how "rare" they are, but I'd certainly be happy to "collect" any of those three pieces...?? ;-) :-)
    2. welzebub, 2 years ago
      Before I say anything else, please do not plug these in to see if they work. They are old, have sat for a long time, and need to be brought up on a variac slowly. If done properly the capacitors may be rejuvenated by the process, or at least not destroyed. If you do not have a variac, see if you can locate a shop in your area that can bring it up and see if it is functional. This is very important with vintage gear.

      That being said, The Pilot AA-908 is a very good quality vintage Mono tube power amp. The output tubes on this amp are an EL-34, which is a desirable tube to be used as a final stage output tube. The primary stage tubes should be a 12AX7. There should be two of each, and another single tube which is a 5U4GA.

      I can not remember off hand, but I believe the output is in the region of 40 watts, which is very respectable for an early tube piece. I believe this was introduced in 1958 or so. The twin power supplies are quite large, and that is generally a sign of good craftsmanship on older tube gear.

      They did not produce a lot of these, and they are considered in tube amp circles to be a very nice amplifier, and one that many collectors will restore and use either in a mono system, or look for a second one to have stereo. They are quite difficult to find and considered to be "rare".

      Your AF-824 is not a piece that is any where near as scarce or desirable as the AA908 is. It is a mono preamp/tuner. They are fairly common and can be purchased for under $100. Not so with the amp.... It is worth substantially more, and if original and a survivor, it is a good candidate for restoration. Even without restoration, it is a nice piece.

      Congrats on the find.... Very cool.....
    3. JPSLegacy, 2 years ago
      Wow! Thanks for the very detailed and informative response. I am not a collector so I will likely try and find a place to sell both pieces.
    4. welzebub, 2 years ago
      Glad to help. The amplifier is a very cool find. Both of them are, but the amp is rally special.

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