[MRCA] [MMRCG] TBX PL connector

[Clare Owens]

Hi Ray,

Your mote brings up a question about the TBX-8 vs. all of the other
models.  My copy of the CRF-20337 TBX vibrator power supply manual states
that it is for both the TBX-7 and the TBX-8.  When I read the setup
instructions and look at the diagram it does not say  there is any
difference between the -7 and the -8.  This is contradicted by an AI query
that says the receiver and trnsmitter cables are not compatible.  So, which
version is correct?  I have a nice TBX-6 but no power supply yet.

Thanks and 73,

Clare  N2RJB

On Tue, Oct 20, 2026 at 3:24 PM Ray Fantini via groups.io <RAFANTINI=
salisbury.edu at groups.io> wrote:

> All this talk about TBX radios is making me think about running one for
> the 3885 AM Net at Hamvention.  I have the radio and the plug for the
> receiver and can throw together a power supply without much issue but need
> the four-pin power plug for the transmitter. Think it's a PL61 or something
> like that? Anyone got one? Or at least know the appropriate number for it?
> Somehow think I have seen that plug used on some other radios too.
>
> Ray F/KA3EKH
>
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