>
> The BTC 11163 marking on the plate xfmr means it was manufactured by the
> Berkshire Transformer Company, in Kent, CT, and the 11163 is the model
> number. Alas, BTC is no longer in business, which is a shame because they
> made very high quality conventional design transformers (no hypersil or tape
> wound). BTC would custom design an xfmr at a very reasonable price, and
> assign a unique model number to the design. I had them build a couple of
> xfmrs for me back in the 70s and 80s, and still use one (BTC 11145) on my
> 8877 amp. At full bore contest mode, it is still cool to the touch, with very
> good regulation (drops from 4700V to 4400V @ 1A. Your xfmr was most likely a
> heavy duty custom replacement for the original Alpha xfmr.
73,
Jim Garland W8ZR
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|