Larry-
I don't know if they are the same. Mine are black pill bottle sized double
one-to-one transformers (for stereo) with leads at both ends terminated
with RCA phono plugs. I think they're made for automobile speakers. I've
had them for at least five years. They are imprinted with the Radio Shack
270-054 catalogue number.
-Joe, NA9A
At 15:52 11/17/2002 +0000, Larry L Lindblom wrote:
>The Radio Shack isolation transformers I'm using are part # 273-1374 and
>they work fine with no level problems. Has RS changed part numbers or do
>they have more than one model? This one is 1:1 turn ratio.
>
>On Sat, 16 Nov 2002 10:28:08 -0600 Joe Dubeck <joed@voyager.net> writes:
> > REN:
> >
> > At 10:03 11/16/2002 -0500, REN wrote:
> >
> > >Looking for input (no pun) on best way to interface TX audio from
> > >computer sound card with TS950-S - I have the radio shack xfomer
> > 1K:8
> > >ohm - I also want to use my Heil Pro head Set and or the Heil
> > Classic -
> > >Tried to couple via the mic connector with both in parallel but
> > loaded
> > >down the Heil. Also tried the Patch input but audio level too low.
> > Any
> > >other tried and proven methods with this setup.
> >
> > I think your 1K:8 ohm xformer is the problem.
> >
> > I use the Radio Shack 270-054 Ground Loop Isolator xformers between
> > my sound card line output and my TS-950-SDX
> > phone patch input and I have plenty of audio level. I also use
> > leave a
> > Heil Pro head set on the front MIC connector without any problems.
> >
> > With the 950, double pressing the LSB or USB mode buttons
> > cuts out the mic input so ambient room noise doesn't get
> > accidentally xmitted with your digital signals on the rear
> > connections
> >
> > Similarly, I have the 950 phone patch output connected to the
> > sound card line input through another RS 270-054 for sound
> > card digital modes receive.
> >
> > -Joe, NA9A
> >
> >
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> >
> >
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