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In Reply to: RE: ELECTRAPRINT Single-Ended Output Transformers, DIY Modifications posted by Lenin on July 21, 2016 at 05:17:31
While you may have a variety of opinions on transformer design, Electra-print do in fact make very good output transformers. I have compared them to a number of other popular makes and they consistently measure well and sound great in the same circuits.
Also, I have two EP transformers that differ only in that one has added on leads and the other has the windings coming out directly. The direct leads transformer measures the same with my limited equipment but sounds much better in the same circuit. Subjective opinion only, but it's repeatable and others can tell the difference as well.
Edits: 07/27/16Follow Ups:
With all respect, how can you call this good for there very high prices?
They use M19 EI transformer laminations which is a non grain oriented steel (higher losses, high magnetizing force and lower exitation ). They didn't use the bobin optimally (extra high copper losses).Maybe the frequency response is good* (no info on there site) but at least two very important parameters are not good or even bad.
*but always less then when they used better cores.
Edits: 07/28/16 07/28/16
The EP Cu-wound transformers are solid all-round performers at a reasonable price. I have not heard their PSS or silver wound versions, but there are some really good winders of transformers at those price points and I'd probably be looking at them instead.
Just my opinion.
Regards,
91.
"Confusion of goals and perfection of means seems to characterise our age." Albert Einstein
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