[Boatanchors] FT-243 Crystal Plug

[Darryl Ledden]

They are listed in a 1960s allied radio catalogs
On Tuesday, September 1, 2020 Paul Christensen <w9ac at arrl.net> wrote:
 

>”For sure they were made. The 300 ohm twin lead from the Harvey Wells VFO to my TBS-50 has such a plug.”

 

Ok, I wasn’t going insane!  I found them in an old Moseley index but no photo:

 

Universal twin-lead line plug, clear, No. 301  $0.51 ea.

 

Paul, W9AC 

From: Allan Culbert <radio.k0al at gmail.com> 
Sent: Tuesday, September 1, 2020 5:10 PM
To: Paul Christensen <w9ac at arrl.net>
Subject: Re: [Boatanchors] FT-243 Crystal Plug

 

Paul,

 

For sure they were made. The 300 ohm twin lead from the Harvey Wells VFO to my TBS-50 has such a plug.

 

I will dig some tomorrow.

 

73,

 

Al

 

On Tue, Sep 1, 2020 at 5:05 PM Paul Christensen <w9ac at arrl.net <mailto:w9ac at arrl.net> > wrote:

>If there was ever one made, I never came across it.  

As a novice back in '72 I had a box of them.  They were clear acrylic and
rectangular with side screws and leaf springs.  I could swear it was the
same pin size/spacing used on the back of the Johnson Viking II for an
external T/R relay.  I used them on the Viking as well.  I seem to recall
they were also used as 300-ohm TV plugs back in the '60s.  Anyone remember
these?

I just pulled apart an odd-frequency FT-243.  As Bob suggested, there's a
channel along the top that small coax can be routed through.  I can clearly
mark the ground side.  

Paul, W9AC 

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