'74 Marshall Super Lead Circuit

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silverwulf
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'74 Marshall Super Lead Circuit

Post by silverwulf » Mon Sep 30, 2019 12:42 pm

Hi all,

Long time observer here (going on 10 years now?), don't think I've ever posted. Folks here are a wealth of knowledge, so I wanted to see if anyone could give some insight here. I picked up a '74 Super Lead that currently has US made Tung Sol 6550s. I'm sure it will need the typical maintenance when it gets here later this week, but I wanted to get any input as whether the circuit looks stock, anything unique to note, concerns I should be aware of, etc?

https://imgur.com/a/ascPfs1

Thanks all :toast:

danman
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Re: '74 Marshall Super Lead Circuit

Post by danman » Mon Sep 30, 2019 6:33 pm

Everything on the inside looks original. There is one resistor on the right end of the board next to the diodes that looks discolored. May be age or may be a replacement. I can not see the cap cans on top to tell if they are originals or not. If they are, it would be a wise choice to replace them with fresh caps to prevent any future transformer damage and to be sure that the amp sounds it best. Very nice amp overall!

silverwulf
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Re: '74 Marshall Super Lead Circuit

Post by silverwulf » Mon Sep 30, 2019 7:06 pm

Thanks! Yeah, the filter caps are original Daly's. I believe the Tung Sol 6550 date codes are from '74, so I suppose it's a possibility they could be original as well. "Rosemary" signed (if it matters) and from around March '74.

Curious to fire it up and see how it goes when it arrives!

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