For all lovers of Vintage gear....

Discussion in 'Effects' started by Strange Brew, Feb 9, 2005.

  1. Strange Brew

    Strange Brew Well-Known Member

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    Look what I just found.....

    [​IMG]

    An early Marshall "Supa Fuzz"... I think it's a 1967. Haven't opened it up yet, but I will do tonight....
     
  2. ess

    ess Guest

    cool :D
     
  3. vic108

    vic108 Well-Known Member

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    I'll be dog bite!
     
  4. Strange Brew

    Strange Brew Well-Known Member

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    Take a look at this....

    [​IMG]

    [​IMG]

    [​IMG]

    8) 8)
     
  5. ess

    ess Guest

    great scot! :shock:


    extreme coolness. 8)
     
  6. Strange Brew

    Strange Brew Well-Known Member

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    8)
    It's amazingly clean inside
     
  7. ess

    ess Guest

    sure is. whats them circular things on the baseplate there?
     
  8. Strange Brew

    Strange Brew Well-Known Member

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    They stuck to the inside of the base plate, by gaffer tape.

    They look to me like they are spare terminals for a different battery fitting. I could be wrong, although that's never happened before :shock: :D :D :D :D

    Am looking for a serial number, but without luck, so far
     
  9. ess

    ess Guest

    aye, they look terminalishy. :idea:

    whats it sound like? mean i bet :twisted:
     
  10. Strange Brew

    Strange Brew Well-Known Member

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    Just replaced the battery and.... nothing. A wee bit of gentle poking around is called for.

    BTW.... this style of Marshall logo (in bold character) with "Supa-Fuzz" in script, points to it being a very early model... 1967 sounds about right, apparently.
     
  11. ess

    ess Guest

    i dunno sheeeeooottttt,,, but could it be that cap thing? its got all crud around the end??


    [​IMG]
     
  12. Voxman

    Voxman Moderator Staff Member

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    Looks like a ceramic disc cap........the electrolytic caps might be dried out and/or the transistor bias is critical to get the best sound.....
    Almost exactly the same as the colorsound/sola series cept for a part or two! Glass bullet OC75 trannys....
    UH, Did anyone think of trying to battery it up and plug it in? :?: :lol: :p :idea: Check the continuity of the battery wires first.......
     
  13. Strange Brew

    Strange Brew Well-Known Member

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    You're right ess, it's got a fair bit of corrosion top and bottom. Looks as likely a candidate as any. I'll give it a good look man-yana ,,, nearly asleep here :)
     
  14. Strange Brew

    Strange Brew Well-Known Member

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    :lol: :lol: :lol:

    it was ceremoniously plugged in and then......................

    nothing

    Thanks for the hints, Vox. Am going to check it out tomorrow a.m.
     
  15. CharlieB

    CharlieB Active Member

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    Well those dodgy battery connections... get them cleaned up and shrink wrapped.....

    The battery red seems to go thru a switching jack... make sure those contacts are clean there... perhaps some progold spray on them.
     
  16. Voxman

    Voxman Moderator Staff Member

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    :idea: Looks like a Fuzzface knockoff with a boost circuit.........
     
  17. Voxman

    Voxman Moderator Staff Member

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  18. Spunky

    Spunky Active Member

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    Tried twice, no nirvana
     
  19. Voxman

    Voxman Moderator Staff Member

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  20. CharlieB

    CharlieB Active Member

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    [​IMG]

    As can be seen, that 10µf electrolytic is critical to the circuit. It basically is there to seperate the input signal from the DC. No cap, no signal to the first transistor.

    The 50µf electrolyic is like a bypass to ground for the signal. Bypassing the DC in this case.

    Both of those are critical to the circuit. Both are Radio Shack items. Try to get something about 15volts or so... one at 10µf, the other at 50µf (or 47µf). While you're at it, just change both 10µf caps and be done with it.

    Taken from a valvehead like me... even I know that one!
     

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