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Old 11-30-2009, 03:36 AM
Harold Lanfear Harold Lanfear is offline
Join Date: Feb 2005
Location: West Grove, PA
Posts: 127
Default AMX-2A Mini Audio Panel

Last week, I ordered an AMX-2A audio mixer from Vern Little at This little (built into a d-Sub connector) device allows easy input of up to 10 audio inputs (alert tones, music, whatever) into an intercom. He also has some other electronics on his site.

I had a 'brain cramp' and didn't understand the wiring and emailed Vern several times. I got some emails that took a fair amount of time for him to compose and solved my problems, as well as offered some great options. I felt Vern gave me some excellent service and was worthy of a note.

By the way, at $160 postpaid, this is a bargain considering the other options (not many) available to tie in multiple audio inputs. And no, I have no interest or connection to Vern or his company - Maybe I should have put this plug in before I ordered
Kitfox sold 2010; RV-8 85% and moving at the speed of a used Edsel
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Old 11-30-2009, 03:47 AM
kiwipete kiwipete is offline
Join Date: Oct 2007
Location: Birmingham United Kingdom
Posts: 396


I agree Vern does a nice reasonably priced product that does exactly as advertised.
I also, like you, found the wiring diagrams from Vern a little hard to work with. I think to someone who has knowledge about audio wiring it would all be very simple. However to those of us who don't it might just need a little more explanation.

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Old 11-30-2009, 12:04 PM
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vlittle vlittle is offline
Join Date: Jan 2005
Location: Victoria, Canada
Posts: 2,308

Thanks for the feedback & criticism, gents.

I've updated the AMX-2A installation to cover two cases of the popular PS Engineering intercoms. PS makes a number of product variants that should be covered by the examples.

It is correct that the original documents were targeted to avionics technicians. Audio wiring in an aircrat is the most complex system and it's difficult to capture 50 years of folklore and acceptable methods in a single (small) document.

Nevertheless, we will continue to improve our products and documentation based on customer feedback.

Vern Little
Vx Aviation
V e r n. ====
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Old 11-15-2011, 12:25 PM
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N130WN N130WN is online now
Join Date: Jan 2005
Location: 8A7 (NC)
Posts: 337
Default AMX-2A Mini Audio Panel

I'm in the market for one of these too. But the web site doesn't look like its taking new orders. Whats the story?
Larry Bowen
RV-8 Built, sold, missed.
RV-7 Built, sold, missed.
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Old 11-16-2011, 02:02 AM
kiwipete kiwipete is offline
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Location: Birmingham United Kingdom
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I have sent you a PM

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