----- Original Message -----
From: "Charles Bostian" <bost...@vt.edu>
To: <drakelist@zerobeat.net>
Sent: Friday, November 14, 2014 1:58 PM
Subject: [Drakelist] Drake R4B 5595 kHz oscillator/mixer
I am trying to bring my old R4B/T4XB combination back to
life after about
35 years of non-use.
The 5595 kHz oscillator part of the second mixer 12BE6
circuit does not
oscillate. I have tried several tubes with no effect. As
far as I can
determine, the tube is functioning normally and I can make
the receiver
work (after a fashion) by injecting a 5595 kHz signal from
an external
source. Before I take out/test/replace the handfull of Rs
and Cs and also
look for a replacement xtal, I am wondering if anyone on
the list has had a
similar problem. In particular, can you recommend a
source for a
replacement xtal? Thanks!
Charles W4KEP
It may well be the crystal. Replacements can be
obtained from International Crystal. I've bought many
crystals from them and all were perfect. They know the
parameters for Drake crystals.
You might want to post also to the "other" drake list
at:
http://groups.yahoo.com/group/DrakeRadio/
It seems to me this is a fairly common problem.
--
Richard Knoppow
Los Angeles
WB6KBL
dickb...@ix.netcom.com
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