[Boatanchors] Continuing Saga: Thordarson T-3S22-A Transformer
w_b_morton at hotmail.com
Sun Sep 22 11:25:04 EDT 2013
I have been searching all over for a description of this particular transformer and finally found a link to the Thordarson catalog number 400G, dated 1947.
The transformer is listed on the back cover and there is a small note referring to the Thordarson 500 catalog for all broadcast items.
This particular transformer is in the 'Major Series' group and the frequency response is spec'd at 30-15000 cps +/- 1/2 db.
Primaries are: 1250/5000*/450/600*
Secondaries are: 50/200*/125/500*/1.25/5*/3.75/10/7.5/15*
* Indicates balanced center tap. Rated at 60 ma per side.
This seems to be the one, but the lengthwise mounting dimension does not match. Hmmm...
Does anyone out there have a Thordarson 500 catalog that mentions a T-3S22-A? I would suspect the date would need to be 1947 or later.
Thanks in advance for your help.
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