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Marshall 8008 amp

Discussion in 'Electronic Repair' started by Cunning Linguist, Apr 21, 2004.

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  1. Hi everyone,
    does anyone here have a circuit for the Marshall 8008 Valvestate amp or is
    able to tell me the values of R8 and C12 as both are fried. Apart from these
    2 components the amp looks great.
    Thanks in advance
    Cheers
    Tony..
     
  2. Phil Allison

    Phil Allison Guest



    ** The Electric Factory in Melbourne have tech info for Marshalls.





    .......... Phil
     
  3. Tweetldee

    Tweetldee Guest


    R8 is 10 ohms, C12 is 220 nF (0.22 uF)
    The schematic doesn't give the power rating of R8, nor the voltage rating of
    C12. I would suggest that you use at least 1 watt for R8, and 250VDC for
    C12
    --

    Cheers!!!!
    Dave M

    Good judgement comes from experience, and a lot of that comes from bad
    judgement.
     
  4. Phil Allison

    Phil Allison Guest

    "Tweetldee" <


    ** Looks like the output Zobel network has been the victim of supersonic
    oscillation.






    ............. Phil
     
  5. Thanks for the help fella's
    cheers
    Tony..
     
  6. Ah, brings back bad memories of ETI/AEM (Tilbrook) kitset amp's.
     
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