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scottmschmidt(at)yahoo.co
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 Posted: Thu Jun 14, 2007 11:59 am Post subject: Mic Noise |
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I learned something today about my audio panel. When I fly with 4 people in the RV-10 I get aircraft noise turning on the headset mic. I have the PS 8000B and I can tell that the auto-squelch is adjusting the squelch between the front seats then the back seats, then front seats and it is quite annoying. I read in the manual about purchasing new mic covers from Oregon Aero to help this issue and called them too. They said the new mic covers should fix the problem. You would think that Bose would make a descent mic cover for $1000.
Anyway, if you experience the same issues you may want to look into this. The covers were $13 each.
http://www.oregonaero.com/p62_2001.html#micmuff
Scott Schmidt
scottmschmidt(at)yahoo.com
[quote][b]
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Tim Olson
Joined: 25 Jan 2007
Posts: 2872
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| Posted: Thu Jun 14, 2007 12:20 pm Post subject: Mic Noise |
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Scott,
You want to call Joe Tesini at Bose. 508-766-5998
There is a long story to the Mic's but with the PMA8000
and the Bose headsets the mic can be too hot for and break
squelch too easily. They use a GenTex Mic on the original
headsets, but they have one or two other versions of mic
that they can retrofit on your headset that work better
with that intercom. You can still use the Oregon Aero
Mic Muffs, but the mic will be the fix. I had squelch
breaking (mostly in summer with vents on) last year
around OSH. I bought 4 muffs, and that didn't help.
Then, Joe got all 4 of my Mics swapped and I was able to
get by without the muff. With the kids in the back seat
they don't pay attention to airflows, so they can still
break squelch, so I may put the muffs on again just
because of them. You need to use one on each headset.
But, that info above should get you what you need for
a better fix.
PS, I think mic's with a -3 on the serial plate are the
ones affected.
Tim Olson - RV-10 N104CD - Flying
Scott Schmidt wrote:
| Quote: | I learned something today about my audio panel. When I fly with 4
people in the RV-10 I get aircraft noise turning on the headset mic.
I have the PS 8000B and I can tell that the auto-squelch is adjusting
the squelch between the front seats then the back seats, then front
seats and it is quite annoying. I read in the manual about purchasing
new mic covers from Oregon Aero to help this issue and called them too.
They said the new mic covers should fix the problem. You would think
that Bose would make a descent mic cover for $1000.
Anyway, if you experience the same issues you may want to look into
this. The covers were $13 each.
http://www.oregonaero.com/p62_2001.html#micmuff
Scott Schmidt
scottmschmidt(at)yahoo.com
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wvu(at)ameritel.net
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| Posted: Thu Jun 14, 2007 8:12 pm Post subject: Mic Noise |
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I don't have Bose headsets and my PMA8000 does the same. I don't like that
the squelch is not pilot-controllable.
I think the real fix should be in the audio panel.
Anh
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Tim Olson
Joined: 25 Jan 2007
Posts: 2872
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| Posted: Fri Jun 15, 2007 4:26 am Post subject: Mic Noise |
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I won't disagree that you're likely to see this issue with other
headsets. It was told to me by both companies that it's a very
common issue with the PMA8000 and Bose combo, and that they will
swap the mics if you're having issues. That kind of tells me that
perhaps both products have a little too much sensitivity, since
having other mics or a different intercom wouldn't gather the
same reply from them. I did have good luck with Mic. Muffs on my
old flightcom headsets, so I recommend those for all sets in the
plane if you have the problem. So far, the auto squelch seems
to work great for me, but I understand that with everyone's
different headsets and sitting in front of air vents and
things like that, it can be a "YMMV" situation.
Tim Olson - RV-10 N104CD - Flying
do not archive
DejaVu wrote:
[quote]
I don't have Bose headsets and my PMA8000 does the same. I don't like
that the squelch is not pilot-controllable.
I think the real fix should be in the audio panel.
Anh
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scottmschmidt(at)yahoo.co
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| Posted: Fri Jun 15, 2007 7:19 am Post subject: Mic Noise |
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Give PS Engineering a call and see if they have a solution for your headset / intercom problem. For awhile I really thought it was just the air in the back that would hit their face since the vent is located fairly high in relation to the headset. But finally, the other day I had everyone close their vent and found that it basically cycled through the headsets.
With just two of us it works perfect. I agree that it would be nice to have at least the option to manually control the audio panel in situations where there is lots of air flowing into the aircraft. Sometimes I do laugh at the things we complain about...... Our noise canceling Bose headsets are being activated because the auto-squelch feature of the audio panel in our 200 mph aircraft is not properly functioning. It was disrupting my passengers as they were trying to watch a DVD movie, The Breakfast Club, on our 1 hour flight from Idaho Falls last Tuesday that would have taken 3.5 hours in the car. What next, my in-cockpit weather system is going to act up and stop displaying Nexrad information???
PS Engineering phone number
(865) 988-9800
Scott Schmidt
scottmschmidt(at)yahoo.com
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Jon Reining
Joined: 10 Jan 2006
Posts: 37
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| Posted: Fri Jun 15, 2007 9:52 am Post subject: Re: Mic Noise |
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What are they doing watching a movie with such beautiful scenery!
Jon Reining
Do Not Archive
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