1977 JMP 2203 before and after transformation

  • Thread starter Thread starter RedPlated
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RedPlated

RedPlated

Well-known member
This 1977 JMP was rough. Mint green head shell, extremely worn face plates. Non working power switch light, old tubes, original filter caps, you name it.

This one got the full MOAB + mod with 4 stages. The 4th stage and dual master volumes on back are foot switchable.

It also got all new ARS 50/50 caps, fresh tubes, attached power cord to IEC conversion, DC heaters, new power switches, and all new grounding scheme.

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Before shot:

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Man I wish I could buy your amp . Atm it’s crazy in world , your amps are killer
 
I’m sure it sounds way better now, but I kinda dig the mint green lol
 
That amp looks sofa king tight! Is the green power switch a nod to that horrid surf green cab?
I noticed that too

OP??

Just more of a coincidence….The owner wanted something different. I had red, green and yellow lights. He picked the green. He bought the amp used so the green tolex wasn’t really his choice.

The old light was burned out.
 
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I would like a nice marshall with fsw master volumes.
Message me if you have one for sale.
 
I would like a nice marshall with fsw master volumes.
Message me if you have one for sale.
I have done a bunch with foot switchable masters. This amp has them.

I don’t usually have these amps available. You’d need to send a donor amp and I’ll mod it.
 
I absolutely LOVE it...Simple, stealthy, aggressive looking. GREAT WORK brother!!!
 
I have done a bunch with foot switchable masters. This amp has them.

I don’t usually have these amps available. You’d need to send a donor amp and I’ll mod it.
Do you happen to mod the Marshall JVM series amps? ...or too complex?
 
No I don’t do them. I’ve just never had interest in the more modern Marshalls.

I actually bought a Vintage Modern with the intentions of modding it. But it does nothing to inspire me to work on it.

Thanks man!
Maybe that could be the motivation. See if you have what it takes to make a VM inspirational when your done.
 
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