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Gates SA-70A tube preamp pair - Coil Audio CA-70 inspiration

 
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emrr
re-cappin' neve


Joined: 07 Aug 2006
Posts: 726
Location: NC

PostPosted: Tue May 02, 2017 11:01 am    Post subject: Gates SA-70A tube preamp pair - Coil Audio CA-70 inspiration Reply with quote

Serial #s are really close. December 6 1949 dates stamped on them. Triad transformers check out as good, pots turn freely. These are what the new Coil Audio CA-70ís are based on. Schematic supplied.
Require 80-280 VDC @ 10mA(ish) and 6.3V AC or DC at 1.2A.

$700 plus shipping/insurance




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