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Connecting 5 inputs to AMX240

Printed From: Avidyne
Category: Avidyne General
Forum Name: AMX240 Audio Panel
Forum Description: Topics on the Avidyne AMX240 Audio Panel
Printed Date: 23 May 2024 at 11:37am
Software Version: Web Wiz Forums 12.01 -

Topic: Connecting 5 inputs to AMX240
Posted By: PeterC
Subject: Connecting 5 inputs to AMX240
Date Posted: 25 May 2020 at 10:39am
Trying to finish up my Aspen MAX/IFD install and we hit a problem - I have 5 inputs to connect but there are only 4 available.  Is there a way to combine two into one or another way to connect 5 inputs.  I have IFD 550, 540, TAS 605/A, Aspen MAX and I need to connect the Voice Alert box for my Gear/Stall Warning system.  I don't really consider any of those to be "optional" so I don't see how the front panel jack input could be used.  Any suggestions?

Peter - 1977 Cardinal RG C-FJPC - IFD550/540/240/322/605A/Skytrax100, Aspen MAX 2000, Trio A/P

Posted By: AZ Flyer
Date Posted: 25 May 2020 at 1:13pm
There are issues to be considered when combining audio signals.  It can certainly be done, but not likely using a passive combiner cable.  Some form of mixer would be needed.  See this informative explanation:" rel="nofollow -


Posted By: EvieCuyler
Date Posted: 31 Aug 2020 at 12:58pm
Hello...two or three things I would remark on the recommended association:
- You would even now require the input resistor from Vo2 to IN2-
- I would not prescribe to drive both earphone speakers by a solitary yield, this would diminish the yield drive and the outcome would most likely be equivalent to not utilizing the gadget in course

You would at present need to assess the presentation of the gadget with this association, since this is out of the specs in the information sheet." rel="nofollow - pcb design for manufacturing checklist

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