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retailer · 21st May 2022, 2:59 am

The lams I used for the inductance test are .5mm thick (.020") I don't think they are anything special just ordinary 50Hz power Tx stuff, PA amps especially the older ones are usually optimised for speech so nothing better is required. They still had very visible remnants of varnish on them so the stacking would have been quite imperfect.

I tend to agree - it is the final listening test that counts I'm sure the guy won't mind if I attend a listening test.

21st May 2022, 2:59 am	#10
retailer Heptode Join Date: May 2005 Location: Adelaide, South Australia Posts: 541	Re: SE transformer question The lams I used for the inductance test are .5mm thick (.020") I don't think they are anything special just ordinary 50Hz power Tx stuff, PA amps especially the older ones are usually optimised for speech so nothing better is required. They still had very visible remnants of varnish on them so the stacking would have been quite imperfect. I tend to agree - it is the final listening test that counts I'm sure the guy won't mind if I attend a listening test.