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ampeg svt roots?

#23
foamingowl said:
sorry, those numbers came off the greenish transformer not the silver ones, which were the ones you meant right? Are those numbers on top of the transformers?
Click to expand...

Any of them should be fine. The green varnished one is the filament transformer. I just looked at my MTI and couldn't see ANY numbers on its filament transformer and was curious where you found the numbers on yours. It's not significant to the ID per se; I just figured mine had been installed backwards. It's been a few years since I rebuilt it and I didn't remember if my filament tranny had numbers I could see when the chassis was removed from the headcase.

My EIA cross-reference is only for old US companies, so since your filament transformer's manufacturer code isn't listed in it only means that it's probably a foreign company, which would be in keeping with it being an MTI. One of your big filter caps, the gray one, is either a replacement (has it been serviced?) or was a substitution for missing parts during manufacture. Your amp is very likely the same as the one in the other linked thread, and what I said initially, a US assembled model made of MTI parts.
 
#24
yeah that number is from the green varnished one it's just printed in white on the side/top part. Sorry I'm new to all this stuff, but learning a lot from you guys thanks!
The grey capacitor says Nichicon...which must be a Japanese company.
I don't know if it's been serviced, the guy I bought it from said he hadn't and that the original owner was using it as a back up.
 

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