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  #1  
Old 12-21-2016, 04:11 PM
gofast gofast is offline
 
Join Date: Jan 2013
Location: Senoia
Posts: 16
Default Apple Earbud Impedance?

Anyone looked into using regular earbuds for aviation? I'm no EE or i'd figure out the impedance myself. But, the number of different earbuds out there make me want to try it. Yes, maybe with a hand mike....
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Big T Airport, (64GA)
Senoia, GA

RV7, Lyc 200hp, Tip-up, steam gauges (SOLD)
RV7, Lyc 180hp, BA CS, Garmin G3X Touch (SOLD)

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  #2  
Old 12-21-2016, 04:22 PM
lr172 lr172 is offline
 
Join Date: Oct 2013
Location: Schaumburg, IL
Posts: 5,298
Default

I believe it is 4-8 ohms for any standard ear piece. Your aviation headset speakers are 300 or 600 ohms depending upon mono vs. stereo (600 ohms total load to the radio/intercom).

Do a search and you'll find what you are looking for. It has been done.
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  #3  
Old 12-22-2016, 08:29 PM
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GalinHdz GalinHdz is offline
 
Join Date: Mar 2010
Location: KSGJ / TJBQ
Posts: 2,039
Default

Standard ear buds are 8ohms while your aviation is 600ohms. But just use a Volume Control Module with a 1/8" to 1/4" adapter to use them in your airplane. Adjust the volume control for crystal clear audio and you have set the correct impedance match. You will be amazed at how well this combination works, especially for noise attenuation and price.

You can see the ones I made up and use on our web page

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Last edited by GalinHdz : 12-25-2016 at 06:59 AM.
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  #4  
Old 12-23-2016, 12:09 PM
gofast gofast is offline
 
Join Date: Jan 2013
Location: Senoia
Posts: 16
Default Thanks!

Appreciate the info. I'm going to check it out. Just looking for something comfortable beyond my Clarity's.
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Jud Brandt
Big T Airport, (64GA)
Senoia, GA

RV7, Lyc 200hp, Tip-up, steam gauges (SOLD)
RV7, Lyc 180hp, BA CS, Garmin G3X Touch (SOLD)

ATP, A&P/IA
EAA Lifetime
EAA Flight Advisor
EAA Technical Counselor
Email: jcbrandt@me.com,
Cell: 404-593-1966
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  #5  
Old 12-24-2016, 11:37 AM
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maniago maniago is offline
 
Join Date: Aug 2014
Location: Bowie MD
Posts: 886
Default

Wow, I like this a bunch. Thanks for the SA!
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  #6  
Old 12-25-2016, 09:36 AM
docsalvage docsalvage is offline
 
Join Date: Nov 2008
Location: Dallas Texas
Posts: 13
Default Homemade ANR

I use a Bose QC20 with a 1/8" to 1/4" adapter.
For a microphone I use an old Telex 750 headset.
The telex earpieces sit nicely on the QC20 earpieces
to hold them in place. Even if the battery dies the
headset still delivers audio.
I have used it in several different airplanes with no
impedance or volume issues.
Not really fancy looking or even high tech, but very
quiet and comfortable for several hour flights.
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  #7  
Old 12-25-2016, 09:52 AM
N13BN N13BN is offline
 
Join Date: Jan 2008
Location: Prather, CA (near Fresno)
Posts: 135
Default Connecting the mic

I love your earbud headset. Could you explain how you wire the microphone? I wear a helmet and could attach the mic to it. My Zulus are pretty bulky when wearing a helmet.
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  #8  
Old 12-26-2016, 12:59 PM
MK77 MK77 is offline
 
Join Date: Apr 2013
Location: Evanston, IL
Posts: 124
Default

It's a tip-ring-sleeve connector for the mic:
tip = PTT (used if you have a handheld mic)
ring = mic bias/signal
sleeve = audio gnd.
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Last edited by MK77 : 12-26-2016 at 01:28 PM.
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