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Old 2nd November 2007, 09:07 PM   #1
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Default OPT Quality Factors?

Is there any "quality factor" data for the Hammond 1650 series of output transformers?

Thanks!
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Old 3rd November 2007, 07:20 AM   #2
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Location: Alps:Tube amp designs over 150W, SMPS guru.
Commercial secrets. Not every manufacturer is willing to spew out detail for the competition to brouse over.
I learnt the hard way, some 35 years ago purchased a quality o/p tranny and the performance was a let-down. I was tirelessly looking for a fault in the circuit when the transfomer itself was the culprit.
I do try and keep tabs on who's in the design sections.

richj
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