Use the Sigtronics M80-H "high noise" mic and an Oregon Aero mic muff. This
combination is very effective and even works in an open cockpit.

http://www.sigtronics.com/air/

Steve

"ShawnD2112" <shawnd.NOSPAM2112@virgin.net> wrote in message
news:vJQs8.21$C21.43863@news6-win.server.ntlworld.com...
> Got a question about noisy cockpits and noise cancelling mics. I've got a
> Pitts S-1 with what seems like all the cockpit noise the world can conjure
> up. I'm using an amplified dynamic mic (military type M87) as recommended
> to me by Flightsuits International when they sold me my helmet. However,
> the mic doesn't seem to actually cancel out any noise as the noise it
picks
> up at cruise power overwhelms my voice inputs making the transmission
almost
> unintelligible.
>
> Any hints or previous experience out there?
>
> Shawn
>
>

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