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Old 28th August 2009, 06:45 PM   #1
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Default Fender Super Twin P Xformer

Hey everyone. Anyone know where I might be able to find a power transformer for a 1975 Fender Super Twin amp? I've looked around at about 10 different sites, and as this amp was only made for two years, '75 & '76, and was probably one of the worst-rated Fender amps, I am finding this a difficult challenge.

Any leads would be great. TIA

Jon
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Old 28th August 2009, 07:11 PM   #2
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I don't know about an exact part, but I would expect that a Hammond 1650WA would do the trick. It's a 28lb monster though.
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Old 28th August 2009, 07:16 PM   #3
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Quote:
Originally Posted by whitelabrat View Post
I don't know about an exact part, but I would expect that a Hammond 1650WA would do the trick. It's a 28lb monster though.
Uh, thanks, I think. This is a friend's amplifier, and as he may ultimately use it for playing shows, I doubt he'll want a "tumor" to lug around as well. The amp is rated at 180W out, so the 6 output tubes might start to sweat a little. I thought I had an electronic copy of the schem, but I'll have to rescan it.
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Old 28th August 2009, 07:23 PM   #4
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Hi,

28Lbs of power iron for a 180W output tube amp is ballpark.

Welcome to the wonderful world of TUBE IRON!

Cheers!
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Old 28th August 2009, 07:27 PM   #5
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I looked at the schematic and saw the six 6L6's. The trouble is finding a OPT that is rated for at least 180w. The Hammond 1650TA is a more reasonable 14lb but rated for only 120w. It would work, but it's life would be short.
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Old 28th August 2009, 07:29 PM   #6
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Oh, wait... brainfart. I was thinking OUTPUT transformer. Sorry. Duh.

Regardless it would need a beast of a power transformer.

Last edited by whitelabrat; 28th August 2009 at 07:34 PM.
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Old 28th August 2009, 08:53 PM   #7
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Quote:
Originally Posted by whitelabrat View Post
Oh, wait... brainfart. I was thinking OUTPUT transformer. Sorry. Duh.

Regardless it would need a beast of a power transformer.
Well, the one on there is certainly a beast, but I wasn't about to weight it.
Seems all of the secondaries are sagging(500V is looking more like 407V) and I saw this on another Fender amp that I worked on about 6 years ago. I'll look into that transformer though, thanks for your help.
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Old 28th August 2009, 09:36 PM   #8
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Check with Paul at Mercury Magnetics, they have one listed for the Super Twin. Don't know if it's the one you need though.

Craig
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Old 28th August 2009, 09:57 PM   #9
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Quote:
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Check with Paul at Mercury Magnetics, they have one listed for the Super Twin. Don't know if it's the one you need though.

Craig
Thanks. I did look at that site and they only offer the output transfomer and the reverb xformer for the ST Reverb. I might drop Paul an email and maybe he can point me in the right direction.

Jon
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