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Wire astatic D-104 mic to dynascan cobra cam 88

How to wire d 104 mic to cobra cam88 tube type radio

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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RCtech
  • 55 Answers

SOURCE: astatic noise canceling microphone to 4 pin cobra 29 ltd classic

According to the astatic wiring hand book it is not used. I would leave it terminated but long enough that if you find your having noise when you receive you could still ground it. I'm pretty sure you don't need it.

Goodluck
Rob

Posted on Dec 07, 2008

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tparsenault
  • 170 Answers

SOURCE: Diesel #8-32 echo power mics

cobra 4 pin is pin1= shield, pin2= mic audio (usually the shield is wrapped around the mic audio wire).pin 3= transmit or push to talk usually red or white whichever isnt wrapped with the shield, and pin4 = receive or speaker complete

5 pin cobra=1-Audio 2- Shield 3-Receive 4-Switching Wire 5-Transmit, you can jump pins 4 and two

Posted on Dec 28, 2008

  • 2 Answers

SOURCE: CB MIcrophone RewireJob. A Diesel Model 360-100 to cobra's

does it have a sheld wire?

Posted on Jan 14, 2009

  • 1 Answer

SOURCE: Mic wiring diagram

Want to wire cobra mic to a uniden washington radio

Posted on Mar 27, 2009

  • 773 Answers

SOURCE: Cobra 1000 GTL by Dynascan

This is a complicated modification. I have never done it to a 1000 GTL, but its done basically the same in all radio's.

I don't recommend doing it, especially since I am not 100% sure on how exactly to do it. I have never been in a 1000 gtl. If I had one in front of me I could tell you for sure how to do it.

If the reason for Variable power is a linear, just a swing kit in for the dead key you need, most likely 2 watts, and leave it.

Here is how to do a variable power mod. this is assuming the swing mod is done the same to this as a cobra 25/29 or uniden 68/76 etc.

If you would like to try it, here it is.

You get a TIP31 transistor, Radioshack has them.

Where you put the swing mod in the radio, which is a cap and a resistor, you put the TIP31 and cap. A 47uf cap works fine.

With the resistor facing you, and the tab in the back away, solder the cap to the transistor. the leg with the black stripe goes on the right most leg. then the other goes to the center leg of the transistor.

Solder a wire on the left most leg, long enough to reach the front of the radio. Now solder the 2 legs that don't have the wire on it, in the place where you would put the swing kit, with the black stripe on the cap facing the back of the radio usually.

Remove the wires from the RF gain and solder them together.

Now solder the wire from the transistor to the center tab.

Remove VR6 and solder a wire from the top tag of the RF gain to the top connection of VR6 that you removed.

Then connect a wire from the bottom tag to a ground point. The side of a tuning can works fine.

Take a piece of shrink tube and put it over the TIP31 so it does not ground against the heat sink, that would be bad.

This is done basically the same in all cb radio's.


Posted on May 03, 2009

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