63 Tremolux Restoration

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63 Tremolux Restoration

Postby muffinresearch on Thu Jun 23, 2016 9:22 am

Hi all,

I'm working on restoring my old 63 tremolux. It was originally an export model and at some point the PT was replaced (probably quite a while ago) with an unknown transformer with an integral voltage selector on the top of it. The number printed on the bottom appears to be 55286 or 56286 or similar but it has no other markings.

Image
Image

Anyhow, I'm think about installing a modern replacement for the original export transformer as opposed to keeping this mystery replacement.

Unfortunately along the way the pin board voltage selector was removed - almost certainly when the PT was replaced. This is a long shot but does anyone have a old voltage selector board kicking around? They look like this:

Image

I could just set it up for running on 240v as I'm in the UK but keeping the switchability would be nice and I'd like to try and restore it back to how it would have been as much as possible. Although I suspect getting an original voltage selector will be almost impossible and making one might be easier.
muffinresearch
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Re: 63 Tremolux Restoration

Postby Gasstationman on Sat Jun 25, 2016 9:43 pm

A PT for 18W Marshall have the right specs.
Hammond 290PAZ or CLASSICTONE 40-18035 Hammond can deliver 20mA more and both have same stack size as the original Brown Tremolux.
http://www.hammondmfg.com/pdf2/EDB290PAZ.pdf
http://www.classictone.net/40-18035.pdf
Anders Gson
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Re: 63 Tremolux Restoration

Postby stratele52 on Sun Jun 26, 2016 8:51 am

Voltage selector plate;
http://www.tubeampdoctor.com/en/shop_Am ... te_red_179

Switch;
http://www.tubeampdoctor.com/product_in ... anguage=en


Be carefull if you put a external selector switch. if you use your amp on 240 V and somebody turn the voltage swich you 'll blow the transformer.
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Re: 63 Tremolux Restoration

Postby pdf64 on Sun Jun 26, 2016 5:06 pm

muffinresearch wrote:does anyone have a old voltage selector board kicking around?

I could just set it up for running on 240v as I'm in the UK but keeping the switchability would be nice and I'd like to try and restore it back to how it would have been as much as possible. Although I suspect getting an original voltage selector will be almost impossible and making one might be easier.

I doubt that the black card insulator board used between the terminal strip and chassis is suitable for mains circuits.
The amp would be safer without it.
To fit a vintage one, or even more so, make and fit one yourself, may be seen to be opening yourself up to legal liability if it subsequently caused a problem, eg became conductive, set light and burnt the house down.
My band:-http://www.youtube.com/user/RedwingBand
pdf64
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