SB-10

[Marshall M. Dues]

Hello, Fred and Group,

I bought a very clean SB-10 sideband adapter at the Belton, TX hamfest
a couple of years ago to go with my two TX-1 Apache transmitters
someday.  Your post prompted me to open up my SB-10 to look it over.
Mine has the Barker & Williamson model 350 phase shifting module in the
socket, and it has the words "Type 2Q4" in a stamped black circle about
a half inch diameter on the top of the metal tube envelope.  The
assembly manual on page 66 illustrates a black metal tubed phase shifter
like you described.  My assembly manual is dated September, 1961.

FRED HOLNAGEL wrote:
 > I have a query on the Single Sideband Adapter.  I have two of them.
 > One has the phasing network in the tube shaped container with the B&W
 > 350 designation. The other has an unmarked black tube with no
 > markings whatsoever on it. Looks like a 6SQ7 with no markings!  Does
 > this sound familiar to anyone? Thanks.
 >
 > clipped....

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