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  #1  
Old 08-20-2009, 12:36 PM
sonic1974 sonic1974 is offline
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Marshall JMP PA 20 Conversion

Hi Marshall fans out there,

I have a Marshall JMP PA 20, I believe it was made in '73. I've heard that they can be converted to the "Lead and Bass model", the reissue is known as the 2061 I think.

Has anyone out there done this mod? What was the result? I've heard it's supposed to give you some more gain.

Should I try this, or just leave it as is and use some overdrive/distortion pedals to get my dirty sounds?

Looking for opinions. Thanks!
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  #2  
Old 08-20-2009, 08:10 PM
TravisE TravisE is offline
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Please, leave it be. That's a swell amp.
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Old 08-20-2009, 08:20 PM
matchless matchless is offline
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I have a '71 -2061 lead/bass,my favorite marshall.these amps have a plexi crunch at working volume,they do not have a ton of gain.IMO this is great,since the amp naturally produces great classic rock tones and a low/med OD pedal can cover most higher gain rock sounds.then of course there are all those fuzz tones...I would suggest living with your amp for a while before making changes.
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Old 08-20-2009, 08:27 PM
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michael.e michael.e is offline
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My '70 50 watt Super PA JMP sounds just spectacular just the way it is. I would not change a thing.
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"This thing has so much mojo I think I just got herpes!"
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  #5  
Old 08-20-2009, 08:32 PM
JCM 800 JCM 800 is offline
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Do not mod that amp.
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  #6  
Old 08-21-2009, 02:15 PM
sonic1974 sonic1974 is offline
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Was playing it last night........I love the sound. Cleans sound awesome, and with and overdrive plus a distortion pedal, I can get some great dirty sounds.

I think you guys are right, I'm going to leave it as it is. Thanks for the input!

Rob B.
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