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  1. John DeVries

    Harry Kolbe Modded 71 Super Lead

    The amp did find a new home on the east coast to someone who appreciates it for what it is. How did it sound? Three channel amp. The lead channel was exceptional. Everything that is glorious. Thick, not overly compressed, huge amounts of gain with clarity. Awesome sounding no matter what volume...
  2. John DeVries

    Hey, saw a thread from two years ago on the heater mods for a JCA 50 to lower the noise floor...

    Hey, saw a thread from two years ago on the heater mods for a JCA 50 to lower the noise floor. The links are dead. Any other info of posts on this mod?
  3. John DeVries

    Amp Noise Problems!

    Dead link, any other info or pics on this mod?
  4. John DeVries

    Help Fixing Ceriatone Effects Loop?

    So the Metro loop uses the same insert points for the loop at the treble wiper and you just move the return line to the PI cap?
  5. John DeVries

    Marshall 9001 Preamp Switches

    Yup! The little LED DPDT switches
  6. John DeVries

    Marshall 9001 Preamp Switches

    Nobody?
  7. John DeVries

    Marshall 9001 Preamp Switches

    Looking for a source (either NOS or a replacement) for those silly little LED illuminated switches for a 9001 pre amp. Any help out there?
  8. John DeVries

    Harry Kolbe Modded 71 Super Lead

    Can do, but it all sounds like crap though an IPhone!
  9. John DeVries

    Harry Kolbe Modded 71 Super Lead

    It looks to be all mill-spec and high end audio stuff. I assume lower noise and closer tolerance.
  10. John DeVries

    Harry Kolbe Modded 71 Super Lead

    You can't have a modded Marshall with out the epoxy filled black box!
  11. John DeVries

    Harry Kolbe Modded 71 Super Lead

    Harry was a first generation mod guy, same time frame as Lee Jackson and Jose were doing their stuff, mostly East Coast. Did a cool load box back then called "Silent Speaker". They pop up occasionally on Reverb. Some people swear by his work, others found him "difficult". Evidently back in the...
  12. John DeVries

    Harry Kolbe Modded 71 Super Lead

    I came into possession of a Harry Kolbe modded 71. It is a total beast. Is there any inherent value or collector interest in these? I thought of going back stock, but I would hate to destroy what was obviously a very expensive and extensive mod.

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