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push-pull

  1. Trypower

    Potted Ouput Transformer- Is it PP or SE UL ??

    If I had an unknown overseas (to the west of CA) POTTED output transformer in my hands with 3 primary leads and a 0-4-8 secondary, how would I know for certain if it was push pull or single ended with a UL tap? This particular transformer is claimed to be UL single ended. I attached a file...
    • Trypower
    • Thread
    • 6l6 el34 push-pull single ended triode ultralinear
    • Replies: 55
    • Forum: Tube Audio
  2. Moonwatcher

    Maggie 9303: The sound of silence

    To anyone familiar with these console-pull amps: My restored, recapped (not by me) Magnavox 9300 series (9303 I think) suddenly has no sound coming from either channel after five years of flawless performance. No hum. No buzz. Only silence. I know very little about how these work and have...
  3. Giovanni68

    Info about my chinese Aeron AP890 push-pull KT88

    Hello everybody, a while ago the hifi passion revamped, I took dust off the JBL4311B and reconnected the old Adcom GFP345 and GFA535, visiting a friend's place I laid my eyes on some of the gear from his gone dad he wanted to sell and I got a marvellous Gyrodec TT and an Audio Research SP9...
  4. Marsman

    Octal Mullard 5-20 stereo with KT88

    Hi All, this is my first thread on AK :banana: I am constructing an amplifier that is inspired by the Mullard 5-20 amplifier. Changes to the original design are: EF37 input pentode, 6SN7 phase inverter/driver and KT88 output tubes. Has anybody attempted something like this? :beatnik:
    • Marsman
    • Thread
    • cathode bias kt88 mullard 5-20 push-pull
    • Replies: 27
    • Forum: Tube Audio
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