[R-390] Amphenol Twin-Ax Assembly?

Barry n4buq at knology.net
Sun Oct 20 13:45:08 EDT 2024


Thanks, Gary.  Those are for the twin-ax that's typically used in the R390A/URR.  Mine is the older style with larger pins, etc.  I figured it out, though.

Thanks again,
Barry - N4BUQ

----- Original Message -----
> From: "gary biasini" <gary.biasini at shaw.ca>
> To: "Barry Scott" <72volkswagon at gmail.com>, "R-390 Mailing List" <r-390 at mailman.qth.net>
> Sent: Sunday, October 20, 2024 12:36:12 PM
> Subject: Re: [R-390] Amphenol Twin-Ax Assembly?

> Barry,
> 
> I am not sure how the 83-821 compares to others but here are a couple of
> sheets that might give you some idea
> 
> Good luck!
> 
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net <r-390-bounces at mailman.qth.net> On
> Behalf Of Barry Scott
> Sent: October 18, 2024 10:39 AM
> To: R-390 Mailing List <r-390 at mailman.qth.net>
> Subject: [R-390] Amphenol Twin-Ax Assembly?
> 
> I received the Amphenol 83-821 that I ordered but I'm not quite sure how
> this is to be assembled and I'm not finding anything like an instruction
> sheet or video as to how to do that either.
> 
> If my guess is correct, I think the two small inner pieces slide together
> and are held together with braid (if the twin-ax is shielded) and then
> soldered.  That holds those two pieces together and then those are inserted
> into the threaded end of the shell and are then screwed in place.  Of
> course, unless the other end of the cable is free, the shell needs to be
> slid over the cable first.
> 
> Do I have that correct?
> 
> Sorry - I thought this would be rather obvious but I found it to be
> otherwise.
> 
> Thanks,
> Barry - N4BUQ
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