[simpits-tech] Adapter Parts

[Brian Sikkema]

Yeah, see, I'm gonna try to build a box to go straight from the military to 
the computer. Also, as I mentioned, once I have that down I can probably 
work out military-to-civilian and civilian-to-military as well.

The good news is, Shotgun Bob, the guy I'm dealing with, has said he can 
hook me up with a microphone as well! This deal is getting sweeter by the 
minute! :) Now if I can get it built, I just gotta find a good source for 
all the parts, and I can start turning out these boxes as well.

Brian





----Original Message Follows----
From: "Joseph Fagner" <crease-guard@attbi.com>
Reply-To: simpits-tech@simpits.org
To: <simpits-tech@simpits.org>
Subject: RE: [simpits-tech] Adapter Parts
Date: Sun, 29 Dec 2002 11:21:38 -0600

Brian, I built the box of the diagram you sent me and it does work for a
military connector.  My helmet and O2 mask have military mics and
speakers.  I had to buy some plugs that would convert military impedance
to civilian aircraft impedance.  Now that I have that, I built the box
to convert the civilian signal to a sound card signal.  I hooked
everything up and bingo, worked like a top.  The only thing is, you
can't split the signal to drive your desktop speakers and the speakers
in your headset.  You can only drive the speakers in your headset.

I don't know what kind of mic the C-130 guy is using, but mine is the
typical mic you find in oxygen masks.

-----Original Message-----
From: simpits-tech-admin@simpits.org
[mailto:simpits-tech-admin@simpits.org] On Behalf Of Brian Sikkema
Sent: Sunday, December 29, 2002 7:44 AM
To: simpits-tech@simpits.org
Subject: [simpits-tech] Adapter Parts

Hey guys,

Well I put some of my boxes up on eBay, and I got some questions from a
guy
who happens to be a C-130E Crew Chief, who was hoping they would work
for a
military connector. Anyway, long story short, we've been emailing back
and
forth and he said he's willing to send me a military style jack, plug,
and
possibly wiring guide for each. So naturally I told him I'd be interest,
but
before I can work on this thing I need a microphone to test it out... so
I
hopped on flightsuits.com to take a look at replacement parts, and this
is
when I noticed several problems:

There are 2 different kinds of Type 38 (one plug) connectors - regular
and
wide. Which is more common?
Also, there are 2 different kinds of microphones - dynamic, and
electret.
Again, which is more common?
And of course the last problem, the dynamic mic - JUST the element - is
$28,
and the electret is >>>$78<<<<!!!! For just the mic peice!

So basically right now I'm trying to figure out what parts I should
design
for, and I'm trying to track down a mic for cheap - I only need one, to
test
with. So any help would be appreciated, I know there's a few of you out
there who would also like to see a military adapter, hint hint ;)

Brian

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