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Chopper Jog
15th Dec 2008, 20:50
What DC headset (model/serial number) is used on the S92 and S76C+?

Cheers,

CJ

Plakstift
16th Dec 2008, 00:43
Any with an 8 ohm (high) impedence.

Gomer Pylot
16th Dec 2008, 05:12
No, 8 ohm is low impedance, used by the military. In every US helicopter I've ever flown, any standard DC headset will work, as long as it's a civilian model. Some European operators use low impedance avionics, for whatever reasons, and you may need to check the individual aircraft to make sure. As for down under, I have no idea what is used, but no matter the location, 8 ohm is low impedance, 300 ohm is high impedance.

maeroda
16th Dec 2008, 17:49
I remember flying a Bell 412 with high impedance; Agusta Bell 412's comes from factory with low impedance system.

Doc Cameron
17th Dec 2008, 05:32
CJ,

I have a David Clark H10-76XL which I used on older model S76's. I then had a friendly Greenie converted it to a High Impedance (Carbon) mic, which I used on the 76C+. It also works well on the S92.

Regards,

Doc

SASless
17th Dec 2008, 06:06
I have used one of these for years in all sorts of helicopters.....

David Clark H10-66 Deluxe Dual Impedance Helicopter Headset

It has a toggle switch for selecting which impedance system you need.

maeroda
17th Dec 2008, 12:42
Unfortunally H10-66 dual impedance headsets doesn't work fine on modern Agusta '39 (all agusta's except 412 comes with factory high impedance intercoms).
When I plug headsets in with toogle switch on "high" it results in a extremely high "beeep" tone.

Maeroda

expatron
17th Dec 2008, 16:24
If you fly any of those fine ladies get BOSE headsets :}

maeroda
17th Dec 2008, 19:07
IMHO Bose headsets are great till they run out of batteries; after that you will end up with a gear without minimum ear protection.
This could be a big issue douring long haul flights in very noisy office.
I fly 412 and 139 in OS and Hems and my personal headgear are: peltor headset +CEP & HGU-56+CEP.
In short terms maximum passive protection.

Cheers

Maeroda

freewing
18th Jun 2009, 02:43
hello ,everyboday,I m a student pilot ,come from China.Rihght now ,on my training at Bristow Academy.I wanna buy a BOSE headset X.the question is that the BOSE X is fit for Schweizer 300 CBI ,but it not fit for SIKORSKY S-76 .isn't?in the future i finish my training ,back to my country ,i will fly s76 or s92.My another colleague tell me the problem is that if you use the Bose headset in S 76, it s hardly hear clearly, there will be some noise.
So i like the bose headset very much.i wanna use the headset in s76 or s92 .but the problem is distress ME. SB kowns what s matter with this?the headset Jacks?the frequency?How can I fix this problems?

Senior Pilot
18th Jun 2009, 05:09
freewing,

Did you try the Search function?

UK US headset plug (http://www.pprune.org/rotorheads/303546-uk-us-nato-headset-plug.html) thread.

Impedance (http://www.pprune.org/rotorheads/279205-what-impedance-best-what-aircraft.html) thread.

Bose and impedance (http://www.pprune.org/rotorheads/353022-bose-x-headset-question.html) thread.

General thread (http://www.pprune.org/rotorheads/175156-headsets.html) on headsets.

Yours are not stupid questions, but a bit of research for yourself may help :hmm:

SARBlade
18th Jun 2009, 14:29
Try the Lightspeed Zulu. Much like the Bose but is $200 CDN cheaper and has Bluetooth, iPod adapter, and slide volume controls. The ANR is the same as the Bose, and wheh it runs out of battery juice (~35-40 flying hrs), can get a tad noisy. Only draw back is mic changability if you are flying different helicopter types (A++, C++). The mic also doesn't swivel around like the DC, therefore there is a right and left ear only fitting.

Lightspeed Aviation - ANR, Passive and In-the-ear pilot headsets - Zulu (http://www.lightspeedaviation.com/content.cfm/Products/Zulu)
:ok::ok:

freewing
20th Jun 2009, 20:07
thanks for your help, yesterday i brought one $1054 ,but the seller also not sure how to fix the problem ,my reading is not good ,so i will still find the way to fix the problem from this BBS ,thx a lot!