stage mic for Vox to Ts-480hx
RE: mic wiring - duh
I would like to wire a mic with a connector like this:
to a jack like this:
KENWOOD-TS480 ( 8 Pin modular Plug )
PIN2 +8 VOLTS
PIN5 MIC GND
The mic is a V-Tech (VT-1040) stage mic with standard 3 pin xlr.
I want to wire it for a Kenwood 480hx for vox only use, no ptt.
I tried this a while back , as i have several Shure PG58's i dont use
and while i had it working somewhat ,
radio checks revealed that the audio of my radio
left something to be desired ,
this was with a kenwood ts 130-s
i tried using an eq, through a mixing board , and still bad results
so finally just gave up and went back with a
turner plus 2
the problem is the impedance , while there are ways to
wire an xlr for unbalanced output , it doesnt provide
when you go for balanced output , then you have
a very bad impedance match
i found a couple of interesting things on google
your mileage may vary , and if you find success
id be interested in knowing how you did it :)
If you run into an impedance issue you can overcome it by installing a DI (direct input) box inline. It will match your components and (in some cases) eliminate ground loop hum. The biggest 'problem' with using studio mics, preamps, equalizers, etc. when injecting the audio signal through the mic jack of the transceiver is that you are limited by the transceiver's audio circuit. If you drive it too hard you will cause damage. If at all possible it's best to inject the audio signal through the accessory plug which will bypass the front end of the audio circuit. It's also best to retain a balanced signal through the chain then converting it to an unbalanced signal just prior to injecting it into the transceiver. This will greatly reduce the chances of picking up hum and rf interference on the cabling.
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