FS: Vintage Dynaco ST-70 output transformers

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FS: Vintage Dynaco ST-70 output transformers

Postby zogher » Sun Aug 07, 2011 4:30 am

I have a pair of Dynaco ST-70 Technitrol Z-326 output transformers (454226, 454326) for sale.

These came out of a '68 (CTS bias pot date 6740) ST-70 with a bad output transformer and trashed driver board. They were tested based on page 2 of this document:

http://www.curcioaudio.com/Stereo%2070% ... msl-R0.pdf

$100 + $20 shipping to 50 U.S. only. References available.

Email: my forum handle (at) yahoo (dot) com

http://img143.imageshack.us/img143/1736/77260713.jpg

http://img69.imageshack.us/img69/8615/35891293.jpg

http://img197.imageshack.us/img197/1591/55016981.jpg
Last edited by zogher on Wed Aug 10, 2011 12:13 pm, edited 1 time in total.
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Postby zogher » Wed Aug 10, 2011 12:12 pm

Bump.

Lower price.
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Postby sorenj07 » Mon Aug 15, 2011 9:36 pm

So.. are these transformers good or blown? You seem to imply that the amp they came from had a blown output transformer, so then one of them is dead?
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Postby zogher » Tue Aug 16, 2011 8:50 pm

Ha. Typo on my part, probably why I got no interest.

The POWER tranny was blown, the outputs were tested good.

Moot now as they have been sold...
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