Help date this Marshall JMP

  • Thread starter Thread starter jonl
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jonl

jonl

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It has the very late 70's-early 80's case but with gold piping.
It has a round indicator light,
It has Toggle switches, not rocker switches.

I have never seen another just like this one.

 
Do you have the serial?

Or else between '70 and '75.
 
Moshaholic":29ar9qfw said:
1975... I say this because of the plastic corners.
Click to expand...
Hey no serial number :(
Didn't they start using the plastic corners in late 70s?
Mine is a 76 and it doesn't have them.
 
An amp like that, hard to say whether any of what you can see I that pic is original.
 
I've read that its a later 70's Super Bass but who knows...
I wonder if its PTP on a board.
 
No clue on the year, although I have an 1986 4 hole version with toggles. They use whatever parts they have laying around.
 
Yeah it doesn't add up. However... Marshall did release some quite weird amps during the transition period '75-'76 with. 1959/2203's toggle switch amps with late 70's cabs and so on, to clean out the parts stock.

I'v NEVER seen a late 70's headshell with gold piping... i'd guess it's a '76 transition period, if not modified.

With the fake indicator light, black logo and shit it could also just be some guy trying to be funny... but who'd waste time re-piping a headshell just to make it oddball. Oddball Marshalls are only cool if factory.
 
If that's Adam Jones' amp, Friedman says it's a late '70s Superbass that's been converted to lead spec. With no polarity switch, probably not a US version? Maybe Canadian because of the metal toggles on a late '70s amp. Doesn't explain the weird headshell. Pic of the back would help.
 
I always had a really powerful inclination that Adam swapped out the box for that head. Most of the ones I've ever seen with the plastic switches had the smaller boxes.

Btw, where'd you grab that pic?
 
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