Lonnie wrote:

If you want to talk about a hard-to-find connector, let's track down
some of those furshlugginer four-pin "microphone" plugs that Johnson
used for bias control on the Thunderbolt and power supply to the SSB
adapter on the Valiant II. Would LOVE to find some of those! Same pin
pattern as the insert in the large Amphenol microphone connector (used
by Motorola and early Heathkit) but with a tin backshell.

I may have some of those, since they were used for sound head connections
in some film projectors. You need males or females?
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."