68 JMP Tremolo

Talk about the evolution of Marshall's.

68 JMP Tremolo

Postby 908ssp » Tue May 19, 2009 2:42 am

I got a 68 Plexi 50 watt tremolo a couple weeks ago. I need to check the Brian's historical page to see if it is there and if not send him pictures. Here are couple. I have already replaced the missing Bulgin plug and the one wrong knob. I put some Mullards into sounds darn good. I need a couple old stock switches the black bat one is broken and the other one doesn't match.

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Alex

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Re: 68 JMP Tremolo

Postby Brian Wallace » Tue May 19, 2009 7:24 am

I don't see that serial number on my page yet. :D
Remember....You can fix it with a little extra energy and a positive attitude. ;)
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Re: 68 JMP Tremolo

Postby TIV » Tue May 19, 2009 9:14 pm

Strange, this one doesn´t seem to have a rectifier tube as mine does.... In fact mine only has one 50+50 uF on top and two 33uF inside???
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The PT also looks different......right?
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Re: 68 JMP Tremolo

Postby Brian Wallace » Tue May 19, 2009 9:30 pm

Two different year amps and different styles as well. Your amp has a 1202-164 in it and Alex has a 1202-118.
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Re: 68 JMP Tremolo

Postby TIV » Tue May 19, 2009 11:20 pm

Hey Alex, yours is with a solid state rectifier then?
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Re: 68 JMP Tremolo

Postby 908ssp » Sun May 24, 2009 12:27 am

TIV wrote:Hey Alex, yours is with a solid state rectifier then?



Yes 68 JMP 50 style. See the diodes hanging off the transformer? Yes that was the way it was done for a while on some amps. My other 68 bass/PA head is the same way. The picture below is the Trem head.

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This amp is my 68 bass/PA head.
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Alex

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Re: 68 JMP Tremolo

Postby Hamilton » Sun May 24, 2009 12:20 pm

If you're looking for .022 mustards, I got 'em new - $25.
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