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#1
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David & Clark conversion?
My brother is a helicopter pilot in the military. He gave me a D&C
H10-76XL headset. I understand that there is an impedance issue with using a military headset in GA. So, I began looking for an impedance adapter. In doing so, I found what I thought I needed. But, after doing a little more checking, I'm finding that the H10-76 and H10-76XL, specifically, are said not to work with the impedance adapter. In stead, some sites recommend simply getting a heli-GA plug and replace the dynamic mic with an electret mic. I've done some googling and find conflicting reports, so it's hard to know for sure exactly what I need. In some old posts, some people say that the adapter will work while others say they won't; following up with supporting statements that the mic does have to be replaced. Any so, now my questions. Does this mean that my headset is actually a high impedance headset? If not, why don't I need an impedance adapter? Why would I need to replace the mic? Can I simply get away with using the dynamic mic? If not, what's involved with replacing a mic on this headset? Soldering required, or can I simply unplug the old mic and plug in the new one? If I send it into D&C, what would it cost to have them do the conversion? Estimates? Thanks in advance! Best Regards & Happy New Year, Greg |
#2
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all you need to do is get the conversion plug for the U-78 cord to a general
aviation cord, and then get an electret mic and install it. I did it on mine, and it works great. I got the cord from www.Sportys.com and the mic's from www.pilotmall.com I believe...Good luck. "Greg Copeland" wrote in message news My brother is a helicopter pilot in the military. He gave me a D&C H10-76XL headset. I understand that there is an impedance issue with using a military headset in GA. So, I began looking for an impedance adapter. In doing so, I found what I thought I needed. But, after doing a little more checking, I'm finding that the H10-76 and H10-76XL, specifically, are said not to work with the impedance adapter. In stead, some sites recommend simply getting a heli-GA plug and replace the dynamic mic with an electret mic. I've done some googling and find conflicting reports, so it's hard to know for sure exactly what I need. In some old posts, some people say that the adapter will work while others say they won't; following up with supporting statements that the mic does have to be replaced. Any so, now my questions. Does this mean that my headset is actually a high impedance headset? If not, why don't I need an impedance adapter? Why would I need to replace the mic? Can I simply get away with using the dynamic mic? If not, what's involved with replacing a mic on this headset? Soldering required, or can I simply unplug the old mic and plug in the new one? If I send it into D&C, what would it cost to have them do the conversion? Estimates? Thanks in advance! Best Regards & Happy New Year, Greg |
#3
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Also, there is no need to solder...just a jewler's screwdriver to loosen
the tiny screws in the mic. I also had to bore out the holes on the new electret mic's to fit the bushing on the David Clark mic boom. Be careful if you are using a hand drill, as it's really easy to crack the mic assy...As far as the impedence issue, I really don't know, but I have flown with it for about 5 hours now in a Cessna 172 and I have not noticed any problems so far. |
#4
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On Tue, 04 Jan 2005 20:45:51 -0600, SSG B wrote:
all you need to do is get the conversion plug for the U-78 cord to a general aviation cord, and then get an electret mic and install it. I did it on mine, and it works great. I got the cord from www.Sportys.com and the mic's from www.pilotmall.com I believe...Good luck. First, let me say thanks for replying! By any chance, did you look at using this? This is what D&C came back and recommended. http://www.davidclark.com/Store/Prod...x?productID=41 But you're saying that you used something like this: http://www.mypilotstore.com/mypilotstore/sep/1251 with a mic like this: http://www.mypilotstore.com/mypilotstore/sep/2162 If I did it my self, it looks like it will cost ~$82.00 + shipping. If I order directly from D&C, it will cost ~$130.00. Hmmm... I'm thinking the new mic sounds pretty good! That about what you paid? Thanks again, Greg |
#5
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That's what I did.
I did pay around $80.00 to convert it. |
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