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Author Topic: Aviation Headsets for Ham Radio  (Read 1024 times)
KA4KOE
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« on: March 05, 2001, 04:49:26 AM »

My wife is a ham who is also a pilot. She owns a couple of pair of Dave Clarke aviation headsets. I was thinking about making an adapter to borrow one for the HF rig. Any suggestions?
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KB8VWV
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« Reply #1 on: March 05, 2001, 01:52:12 PM »

It will work.  I tried it with my David Clark 10-30's and it was acceptable.  I did not have quite the audio transmit quality of my Heil headset or the audio volume but they worked better in a high noise environment.
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K5IQ
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Posts: 78




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« Reply #2 on: March 05, 2001, 03:23:00 PM »

A lot will depend upon the relative impedances of the headset (both the mike and the earphones) and the respective radio involved.  For example, if an aviation headset has 600 ohm earphones and the radio has an 8 ohm output, you may find things work better with a small audio matching transformer.  Likewise, some transceivers are content to deal with microphones of any impedance, while others want a close match and again, a matching device might be needed.

Another consideration is that most aviation headsets, including the Dave Clarks, use that military or Collins-style mike plug--(what's the official name for these?...the one that looks like a 1/4 plug but isn't?)--and you'll have to either build an adapter (if you want to keep using the DCs in the plane) or replace the plug with one suitable for the ham gear.

And finally, when ATC says, "Turn left heading 270," you must remember not to say, "QSL on the 270!, QRZ?"
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KP2BH
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« Reply #3 on: March 09, 2001, 07:08:03 AM »

hi: i have a david clarke headset and what i did is take out the microphone cartridge and instal heil hc5 cartridge.i just carefully open the portion that enclose the original cartidge and make some extra holes on it and instal the hc5 cartridge with a little piece of foamin it for protection and glue it back..works great with my ts570s and all the kenwood rigs in the shack..good luck de kp2bh...jimmy usvi
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