Marshall JCM 900 100 watt

Discussion in 'Amps and Cabs' started by sarcoid, May 6, 2015.

  1. sarcoid

    sarcoid Member

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    About to buy a used head circa '94. Looks in excellent condition and very clean. Was serviced at a local store with a good rep. Has new 6L6 Groove Tubes in it. Anyone with experience with this head and tube setup? Much appreciated.
     
  2. Robbgnarly

    Robbgnarly Member

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    Which 900 is it? Dual Reverb, MKIII or SL-X
     
  3. demea26

    demea26 Member

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    I'm assuming its a High Gain Dual Reverb 4100? Great amp. Used it for years doing covers. Pretty versatile, too.

    Mine had 6L6's as well. More low end I thought vs my previous EL34
     
  4. sarcoid

    sarcoid Member

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    Sorry, it's the High Gain Dual Reverb 4100. That's great to hear. I have a 4X12 celestian G12T75's from around the same year which should do it justice. May even put together a new 2X12 for it.
     
  5. Robbgnarly

    Robbgnarly Member

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    The 4100 sounds good for 90's punk and it has a good clean channel, but other than that I'm not a big fan. I prefer the JCM2000 DSL100
     
  6. sarcoid

    sarcoid Member

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    I read it takes pedals well. Best on the in or the loop?
     
  7. Jason_77

    Jason_77 Member

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    I have a 6L6 version 4100. With fresh tubes and the bias adjusted properly, it has a very strong, deep and tight low end. The best tones (for me) were on channel A where it's just breaking up. It sounded really nice! For anything harder, I preferred pushing it with an OD as opposed to using channel B.
     
  8. sarcoid

    sarcoid Member

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    That's what I was hoping for some really nice Marshall breakup and using OD's. Do you run them on the loop?
     
  9. Robbgnarly

    Robbgnarly Member

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    no run the OD in front of the amp and use it as a boost (level max, gain off and tone to taste)
     
  10. sarcoid

    sarcoid Member

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    Awesome thanks
     

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