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Another victory for the SD Pickup Booster!

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  • #16
    Re: Another victory for the SD Pickup Booster!

    Well, I am happy the Pickup Booster worked, but that should be a rockin' amp on its own.
    Administrator of the SDUGF

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    • #17
      Re: Another victory for the SD Pickup Booster!

      Originally posted by Scott_F View Post
      So what did you do to fix it?
      All I did was replace R8 470 Ohm res at pin 8 with a 136.5 Ohm res.

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      • #18
        Re: Another victory for the SD Pickup Booster!

        Excellent work.


        www.CelticAmplifiers.com

        "You can't save everybody, everybody don't wanna be saved."

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        • #19
          Re: Another victory for the SD Pickup Booster!

          Originally posted by Scott_F View Post
          Why not a 12AY7?
          12AU7 is lot lower in gain.

          Glad you got it working!
          That's what I was thinking, too.

          Imagine how much better it'll sound with a 12AY7 AND​ the booster?

          EDIT: For some reason the whole thread didn't load for me before I replied... Weird. I see you fixed it.
          Last edited by GilmourD; 05-02-2016, 02:24 PM.
          Nope...

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          • #20
            Re: Another victory for the SD Pickup Booster!

            Originally posted by leevc5 View Post
            All I did was replace R8 470 Ohm res at pin 8 with a 136.5 Ohm res.
            So, you changed the bias point on V1B, lowering the gain. Interesting since the actual Fender schematic calls for a 1500 ohm resistor.
            Nope...

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