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RE: FS: Rare NOS TL-404 Autoformers

Posted by mqracing (M) on September 8, 2015 at 17:38:27

In Reply to: FS: Rare NOS TL-404 Autoformers posted by Joe Roberts on September 6, 2015 at 12:09:14:

Hi Joe:

Long time... hope all is well for you! Drop me a line at acrosound@aol.com so I can catch up a bit with you.

Re: TL-404's. I do have in stock some TL-404 XL (larger core than std).

Please provide your buyer with hook up instructions... or if your the buyer do a search on this forum for TL-404 Hookup.

And yes... they are a challenging design to wind... many reversed windings, multiple paralleled primaries, multiple interleaves btwn pri and sec windings, multiple wire guages, different amounts of insulation in coil (to balance the winding capacitances)... good stuff. And all designed nearly a decade before I was born.

Bandwidth from 20 hz to >100Khz (+/- 1db) as tested by an end user in Italy. Check out http://magnequest.blogspot.com/ for more detailed test specs.

MSL

Builder of MagneQuest & Peerless transformers since 1989

Edits: 09/10/15 09/10/15 09/10/15

This post is made possible by the generous support of people like you and our sponsors:

Atma-Sphere Music Systems, Inc.

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