[AMRadio] Bad news on Mod trans.

[Bill Smith]

Hi, Jeff

No, I don't off-hand.  You might try browsing through the list pointed to by
the URL below, which is Peter Dahl's on-line catalog.  I looked briefly, but
didn't see much listed for RCA.  I know they must have more, because I have
looked up the transformers for the BTA-250M I run on 160 meters.

I think I recall someone listing the MI number of the transformer and
perhaps an equipment model it was used in (if it was ever in RCA equipment).
That information might lead you to a replacement (and spec's).

http://pwdahl.com/dahlcatalog/commercial%20catalog%20full.htm

Good luck!  Sorry I can't help more.

73 de Bill, AB6MT
billsmith at ispwest.com

----- Original Message -----
From: "w5omr" <w5omr at yahoo.com>
To: <amradio at mailman.qth.net>
Sent: Wednesday, March 20, 2002 11:19 AM
Subject: Re: [AMRadio] Bad news on BC1-J Mod trans.


>
> Hi Bill.
>
> Do you have the specs on the old buzzard RCA Open Frame
> 500Watt Modulation transformer?  You know, the one that
> has the tag on it (some red - mine's black with white letters)
> that says "Secondary Maximum Current 0.98A"?
>
> I have used that transformer with a pair of 250TH's, with
> no problems (and capacitivly coupling audio to the B+ line,
> on the high-side of a choke, used as a modulation reactor)
> but am curious as to whether the specs, or practical experience
> thinks that the Mod-frmr will hold a pair of 450TL's.
>
> thanks!
>
> 73 = Best Regards,
> -=Jeff/W5OMR=-
>
>
>
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