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Re: Head set background noise

Subject: Re: Head set background noise
From: Jim Naylor <jnaylor@avnet.co.uk>
Date: Wed, 18 Aug 1999 08:58:33

Might be worth a call to Peltor.  The initial reaction I got was
one of supprise because they had never had this problem before!

Jim

>Funny that, I have found the same problem with the 7006, but not with my
two
>7004 headsets. Infact I tried three 7006 sets in different aircraft, and
>just in a battery powered intercom. Whether they were on their own or with
>other headsets attached, all th 7006's distorted very badly. I had
>absolutely no problems with the 7004's in any aircraft.
>It is a shame that when they produce a good headset, they take it off the
>market and leave you with a more expensive but seemingly poorer quality
>product. I thought that the 7004 was a great headset, but sadly I was
forced
>to buy a David Clark instead. It was quite a bit more expensive, but at
>least it worked with the 7004's.
>
>Cheers Ed
>
>////Eddie Hatcher///Bill Lams///Nick Crisp////
>///////South East London Flying Group////////
>bizzarro@easynet.co.uk
>-----Original Message-----
From: Graham Singleton <grasingleton@avnet.co.uk>
><aburrill@bottle-neck.demon.co.uk>; Europa List <europa@avnet.co.uk>
>Date: Monday, August 16, 1999 11:31 PM
>Subject: Re: Head set background noise
>
>
>>>
>>>Sounds likely, but there are no switches in my models ( 7004 & 7006 ). I
>did
>>>think of turning the mic gain down on the radio, but this would probably
>>>upset the David Clarks, which are used by my partners. Maybe a matching
>>>transformer is called for, but I would of thought modern kit like this
>>>wouldn't need it.
>>>
>>>Jim
>>
>>You might try inserting a resistance in the mike circuit. Use a variable
>>pot and adjust for best results then measure and replace with a fixed
>>resistor. I had to do this to match my RST headset to a partners David
>Clamp.
>>It's time the intercom designers got there act organised and provided
>>individual input circuits, with separate squelch too. Mad to have both
>>mikes at high gain every time someone speaks. Doubles the noise.
>>
>>Graham
>>
>
>



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