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George Benson Fender Amps

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  • #16
    I read that many years ago on the old Ampage site. Don't remember who from, originally. It's then when I learned the difference between "works" an thd "works well."

    I've also heard the theory that part of the reason AU & AT7s sound "bad" in AX7 circuits is vuz they're not optimized for the same circuits. Then there's all the data sheets, where the AT &AU are mentioned as "function" tubes, specifically phase inverters or drivers, & AX & AY are listed as voltage amplifiers in audio amps. But I'm sure that someone could build a good-sounding amp out of nothing but AU7s they ganked from an old Hammond...

    Justin
    "Wow it's red! That doesn't look like the standard Marshall red. It's more like hooker lipstick/clown nose/poodle pecker red." - Chuck H. -
    "Of course that means playing **LOUD** , best but useless solution to modern sissy snowflake players." - J.M. Fahey -
    "All I ever managed to do with that amp was... kill small rodents within a 50 yard radius of my practice building." - Tone Meister -

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    • #17
      Originally posted by Justin Thomas View Post
      But I'm sure that someone could build a good-sounding amp out of nothing but AU7s they ganked from an old Hammond...
      I had a small tub of au7's pulled from an old Conn organ. I had planned to build a 3W self split amp just for them. I even had it all drawn up. As time passed and I found occasion to use a couple of them I found that many were aged enough that I had to really pick through them to find a good one. So I never got around to building the little amp.

      I had another idea to run a bunch of them in a power amp (miller capacitance be damned) just as a lark to see how much power I could get from, say, four in parallel (eight triodes) per side in a push pull circuit (total eight tubes). At three watts per triode (subtract for the real world) I thought maybe fifteen watts. Again, since most of them weren't that good I scrapped that notion too.

      As it is I'm using them for reverb drivers with good success. I just pick through them when I need one and cull the ones that don't make the cut. I have maybe twenty left. Of which maybe five are actually ok.
      "Take two placebos, works twice as well." Enzo

      "Now get off my lawn with your silicooties and boom-chucka speakers and computers masquerading as amplifiers" Justin Thomas

      "If you're not interested in opinions and the experience of others, why even start a thread?
      You can't just expect consent." Helmholtz

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