[R-390] Balanced Antenna Connector

[Larry Haney]

Hi Barry,  There are many manufacturers making the twinax male
straight plug today for the balanced jack on the 390s.  There's Pasternack
PE4104, PE-S330; ARC - 8-299, AMPHENOL - 82-5589-RFX, 162100; SPC
Technology / SAMAR - SPC21084; Connex 162100; Pan Pacific
<https://marvac.com/collections/pan-pacific> TWX-3501
<https://marvac.com/collections/twinax-connectors/products/twx-3501>; Aim
Cambridge 27-9087
<https://marvac.com/collections/twinax-connectors/products/27-9087>, AIM
27-9080; AVA 403000 and others.

If anyone would like one, I'll sell them an AVA 403000 for $3 + postage.

Regards, Larry

On Wed, Oct 9, 2024 at 11:21 AM Barry Scott <72volkswagon at gmail.com> wrote:

> What is the correct designation for the two-pin antenna connector
> (balanced) in the R-390/URR (likely the same for the R-390A/URR but I
> want to be specific just in case).
>
> Also, I think Chuck Rippel had a connection contraption that used a
> resistor (or two) so that 50-ohm unbalanced would match just a bit
> better using the balanced connection.  He had a website that depicted
> that but I don't know if that still exists.  Anyone know?
>
> Thanks,
> Barry - N4BUQ
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