[R-390] Amelco R390A help, RT301 current regulator tube
B Riches
bill.riches at verizon.net
Mon Dec 27 08:13:51 EST 2021
There are Twinax to C and BNC adapters on Ebay and from other connector suppliers - Try Pasternak.
73,
Bill, WA2DVUCape May, NJ
On Sunday, December 26, 2021, 09:33:09 PM EST, Larry H <larry41gm at gmail.com> wrote:
Sam, Replacing the rf connectors is not a good idea. They are built
into the antenna relay in such a way that it would be very difficult to
maintain the relay operation. See my antenna relay doc in the tutorials
section on our website, r-390a.net. There are twinax and C
connectors available, but I don't know about in Rio. I can help you with a
twinax connector, if necessary.
Happy New Year.
Regards, Larry
On Sun, Dec 26, 2021 at 10:50 AM Studiumtelecom S.Rocha <
battcharger at gmail.com> wrote:
> Thanks to all ! I used method number 4, with a solid jumper and a pair of
> 12BA6, I found a regulator tube for usd$28.00 here in Rio, so I think it
> worths buying it also in the future.
>
> The interesting point is that I have all spares tubes for this radio,
> except the only which was defective!
>
> Another question: should I replace the antenna connector for a SO-239 UHF
> type?
> Regards and a Happy New Year to all!
> Sam Rocha
>
>
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