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Volume mod Hughes Kettner Tube Factor

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  • Volume mod Hughes Kettner Tube Factor

    Hi!

    I ordered a Tube Factor yesterday. I did own one a few years back and hell I miss that thing!

    But..

    I remember that the channel 2 on the pedal is in volume a bit louder than channel 1. Is there anyone that knows a mod for this? I know OKKO from Germany does but I can't seem to find a right webpage to how to do it.

    Thanks.
    Marco

  • #2
    Re: Volume mod Hughes Kettner Tube Factor

    And does anyone know if i want to replace the tube in it.. do you have to set the bias for the tube or just put it in and play?

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    • #3
      Re: Volume mod Hughes Kettner Tube Factor

      It is a preamp tube, so you don't have to bias it at all. You can swap out tubes all you want. I believe channel 2 of that pedal adds diode clipping to the tube, so it is going to be louder, though.
      Administrator of the SDUGF

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      • #4
        Re: Volume mod Hughes Kettner Tube Factor

        Ok thanks !

        Yeah that's right. The channel 2 is louder.. so that's why I need a mod for it.

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        • #5
          Re: Volume mod Hughes Kettner Tube Factor

          im sure there is a way to do it but i dont know what needs to be swapped and obviously youll be voiding the warranty. got a schematic?

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          • #6
            Re: Volume mod Hughes Kettner Tube Factor

            Here is a schematic.



            I got it used so no warranty.

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            • #7
              Re: Volume mod Hughes Kettner Tube Factor

              Tomorrow I will replace the stock tube for a tung-sol 12AX7. I think that will make a huge difference.

              Still looking for a mod for the volume on channel 2..

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              • #8
                Re: Volume mod Hughes Kettner Tube Factor

                I have replaced the tube...

                Wow! Sounds awesome! And the volume difference between ch. 1 and 2 is much better! (More balanced)

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