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In Reply to: RE: UTC transformer help needed posted by DIY John on July 31, 2012 at 12:14:25
Probably a proprietary design, made by UTC for a particular manufacturer's product.
I have several vintage UTC catalogs, it is not in any of them.
Likely good quality.
Follow Ups:
Need help on UTC ouncer o-8 transformer wire connections.
I would like to put this transformer in the output of my DIY tube preamp.
The set up should be pri-15k : sec-600
And I'm not sure how to hook it up.
Any assistance would be appreciated.
http://www.bunkerofdoom.com/xfm/UTC_TERMINALS_LS_9_57_50M/UTCTERMLS95750M.PDF
I have an UTC ouncer 0-8, and would like to use it as an output transformer on my DIY tube pre-amp.
The set up should be pri-15k : sec-600
Primary 15k ohm: pin 7 and 6 (7 to plate)
Secondary 600 ohm: connect 1 to 5; 3 to c.t.
6----> || <----1
-----> || <----2
-----> || <----3
-----> || <----4
7----> || <----5
Does it mean for secondary, connect output to pin 1 and pin 5, with pin 3 as center tap and connect to ground.
What is the meaning of pin 7 to plate?
Any help is much appreciated.
Thanks for the input. Do you see any that are SE plate to voice coil? I was having a hard time finding catalog listings for any other than PP.
Yes, the S-14 is SE. Primary tapped for 2.5K, 4K, 7K and 10K. Secondary 500, 15, 8 & 2 Ohms. 10W power rating.
Thanks, Al. I see that one now. For some reason, I have a hard time figuring out their numerous product lines. They were certainly a prolific company!
I also managed to find some "Military" numbers beginning with a W, but these all had 3 digit numbers in the 700's (and hermetic, to boot).
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