Microphones on Airplanes

general questions, comments and ideas about recording, audio, music, etc.
goldenechos
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Microphones on Airplanes

Post by goldenechos » Mon Jan 31, 2005 1:39 pm

I read somewhere that Ribbon mics can be damaged by the changes in pressure...

Is there any truth to this? Can any microphones be damaged in air travel?

I would like to take my Beyer m260, Oktava ML52 and AT4047 to Chicago next week...

I know this question is probably ridiculous, but my poor head is wrecked with terror about planes anyhow!

tony echos

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Re: Microphones on Airplanes

Post by Dave Nutz » Mon Jan 31, 2005 1:51 pm

i think as long as you dont take a home built mic through security, you wont have any problems.....i cant help you with pressure stuff though.
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JohnDavisNYC
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Re: Microphones on Airplanes

Post by JohnDavisNYC » Mon Jan 31, 2005 1:54 pm

i can't imagine it being a problem.... i can't imagine all microphones are shippied by sea and surface.

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Mr. Dipity
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Re: Microphones on Airplanes

Post by Mr. Dipity » Mon Jan 31, 2005 2:36 pm

goldenechos wrote:I read somewhere that Ribbon mics can be damaged by the changes in pressure...
Sudden changes in air pressure. As in a blow of air from a kick drum, or slamming shut the door of a mic case.

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Re: Microphones on Airplanes

Post by cgarges » Mon Jan 31, 2005 2:43 pm

Dr.Nutz wrote:i think as long as you dont take a home built mic through security, you wont have any problems......
Or a Copperphone.

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Re: Microphones on Airplanes

Post by Zeppelin4Life » Mon Jan 31, 2005 2:56 pm

Ribbon mics, changes in pressure will result in the air currents, which could easily damage ribbon mics. but the chance of a door flying open in flight is pretty damn slim. :wink: especially after all the new door regulations after all thoes DC-10s in the 70s had door cargo door problems. :shock: :shock: but........ .just food for thought, the pilot headsets use mini condensors

think about all the microphones on a plane

the headsets, the phones, the PA, the CVR, etc

youll be fine :wink:
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Re: Microphones on Airplanes

Post by Frost » Mon Jan 31, 2005 3:20 pm

My lawson ships with a air tight case. it has a pressure valve to equalize the pressure when you arrive at your destination. I dont know if it helps but I use it anyway.

Frost

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Re: Microphones on Airplanes

Post by X-ian » Mon Jan 31, 2005 5:20 pm

The maximum change in air pressure in a commercial airplane will be eight thousand feet. The cabins are pressurized at 8,000 MSL (Mean Sea Level). So if you take off from Denver it's only a 2,000 ft. difference. Small planes without pressurized cabins fly between 12,000 and 15,000 MSL so you are better off in a commercial plane. My question would be what is the air pressure between the diaphragms in a condenser mic, and are there any holes to release the pressure. Maybe a smart mic guy can answer that. It?s an interesting question.
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Re: Microphones on Airplanes

Post by KFT » Mon Jan 31, 2005 6:39 pm

I wonder if the Discovery Channel's "Myth Busters" could check into this. Did you see the episode when they examined the myth of silicone breast implants growing and possibly exploding in a pressurized airplane cabin during flight?

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Re: Microphones on Airplanes

Post by soundguy » Mon Jan 31, 2005 7:13 pm

myth busters should investigate wether or not blondes have more fun.

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Re: Microphones on Airplanes

Post by matt250321 » Mon Jan 31, 2005 7:23 pm

Mythbusters also did an awesome experiment on the old tale that a duck quack doesn't make an echo. They brought in an acoustical expert to run some tests in their huge wherehouse that obviously had lots and lots of natural reverb. The guy set up some mics into some analysis program. It turns out that of course duck quacks do echo, BUT the sonic nature of the quack itself has "echo-like" qualities to it, which may result in people not noticing the real echo. Not sure if thats how they explained it but something along those lines. Pretty cool stuff.... Sorry its a bit off topic.
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Re: Microphones on Airplanes

Post by johnny7 » Mon Jan 31, 2005 7:36 pm

In the 50's all the ducks used a little slapback...

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Re: Microphones on Airplanes

Post by Zoltar » Mon Jan 31, 2005 9:39 pm

X-ian wrote:My question would be what is the air pressure between the diaphragms in a condenser mic, and are there any holes to release the pressure. Maybe a smart mic guy can answer that. It?s an interesting question.
I was reading something this summer that said that yes, there are holes for just this reason. The very next day I flew from Nashville to Detroit with a 414.

here is the link:

http://www.solorb.com/dat-heads/micfaq.html

and here is the quote from that site:
Omni mics are absolute pressure transducers and inherently would have
response down to DC but for a small air leak built in to allow them to be
shipped by air, not explode in tornados, etc.
It is actually a little bit of an interesting Q&A, particularly if you want to "stealth record a Dead concert"

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Re: Microphones on Airplanes

Post by Wire » Mon Jan 31, 2005 10:12 pm

When you order it when it's new and it comes to you by any other shipping than Ground it has been in a plane, if it was such a problem you couldn't get 2nd day or overnight shipping on stuff like that and people have been doing it forever!

But if you mics do break...Sorry and you shouldn't have listened to me!!

** you should have no problem

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Mr. Dipity
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Re: Microphones on Airplanes

Post by Mr. Dipity » Mon Jan 31, 2005 10:26 pm

matt250321 wrote:Mythbusters also did an awesome experiment on the old tale that a duck quack doesn't make an echo. They brought in an acoustical expert to run some tests in their huge wherehouse that obviously had lots and lots of natural reverb. The guy set up some mics into some analysis program. It turns out that of course duck quacks do echo, BUT the sonic nature of the quack itself has "echo-like" qualities to it, which may result in people not noticing the real echo. Not sure if thats how they explained it but something along those lines. Pretty cool stuff.... Sorry its a bit off topic.
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For future reference, please separate the pronouncement of an urban legend from the disproving of it by at least one comment, so that those of us who've never heard of the legend can have at least a few seconds of blissful disinformance before we have to deal with the cold, hard cruelity that is reality. Thank you.

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