I think the Motorola Mitrek Consolette Base Station has a one to
one transformer in it. If you need I can look up the part number.
Neil - WA6KLA
DCFluX wrote:
>
> I wouldn't trust the local stereo shops as far as I could throw them.
>
> Example:
> I saw a certified installer cut 8 inches of zip cord off of the reel
> Then he split it into 2 wires and then butt spliced the wires back to
> the original reel of wire! I didn't even bother to make him feel like
> a dumb ass, I just left.
>
> Also I need something a little smaller than a coke can, preferably 2.5
> X 1.9 square, height doesn't matter, but needs to solder to a PCB.
>
> On Thu, 30 Dec 2004 18:18:49 -0800, Mike Morris WA6ILQ <[EMAIL PROTECTED]>
> wrote:
> >
> > Go over to your local car stereo shop - the place where they
> > sell those 500w amps and build the latest and greatest
> > boogie buggys or thump trucks - and get a pair of speaker
> > isolator transformers. They may not call them that, but
> > picture a 8 ohm in / 8 ohm out transformer about the size
> > of a can of Coke or Pepsi, or a little smaller.
> >
> > Put one on each radio. Test by putting a speaker on the
> > secondary. It should work normally.
> >
> > Unhook the speakers. Wire the secondaries and the
> > speaker all in parallel.
> >
> > A friend has two of these setups in his vehicle, on two
> > Kenwood 742s... one radio is 10m / 6m / 2m and the
> > other is 220 / 440 / 1200mhz, and each radio has two
> > speaker outputs - the selected channel and the
> > nonselected channels. He has the selected channels
> > fed to one speaker (in the left door) and the non-selected
> > channels fed to a second speaker (in the right door).
> >
> > Car stereo shops have a few things to offer the ham -
> > like decent multiple fuseblocks, good automotive
> > DC wire, and speaker transformers. It's worth
> > spending an hour perusing their offerings...
> >
> > Mike WA6ILQ
> >
> > >--- In Repeater-Builder@yahoogroups.com, DCFluX <[EMAIL PROTECTED]> wrote:
> > > > Anyone had experience with mixing the speaker output of 2 radios,
> > > > Say Motorola GM300's to one speaker?
> > > >
> > > > I originally tried a couple of resistors but I may have the wrong
> > > > values as they got hot as hell and one started smoking, I was
> > > > using 2 .82 ohm at 2 watt resistors for each radio, one resistor
> > > > in each speaker lead and at the center the speaker. My next
> > > > best guess is using a multiple winding transformer with three
> > > > windings of 4 ohms, but finding information on how to wind a
> > > > transformer to do that is impossible these days. Any Ideas?
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
>
>
> Yahoo! Groups Links
>
>
>
>
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