[SMCARA] Audio Wiring Question

[THOMAS SHELTON]

Hi Allen.  
That looks like  it might work, but I'm not an electronics expert.  My ham radio, GPS/SiriusXM are integrated into my bikes (GL1800) using stuff from Jon Kennedy (www.cellset.com).  It's all plug and play with your existing audio system.   I know he has stuff for Bluetooth as well.  And he covers the whole range of GoldWings.  He also has a link to his e-mail where he'll be happy to answer your questions and recommend which of his products would be best for your application.

Tom, ND3N 
Sent from Yahoo Mail on Android 
 
  On Tue, Jul 4, 2017 at 3:03 PM, alandmann--- via SMCARA<smcara at mailman.qth.net> wrote:   Happy Independence Day Everyone!

Having so many smart and experienced people in the reflector I was wondering if anyone of you would be so kind as to lend your expertise to a problem/question I have. 

The setup is this:
I have the need to split the audio output of an electret microphone, to two inputs in a radio/Bluetooth/ intercom project on a motorcycle (GL1500SE). The Bluetooth output will provide power to the microphone. Because the intercom input is expecting a dynamic mic connected to it, it will have a DC blocking capacitor in line with it to block the power from traveling into the intercom setup. This way the Bluetooth and intercom will both have access to the microphone all the time, without the need to switch it. This will allow me to be hooked up to my motorcycle’s intercom system, while also having the ability to queue  “OK Google” on my phone, which is connected to the Bluetooth module. 
 
My question is, will a simple passive setup like this work without transformers and impedance matching, as I do not require studio quality audio so it does not have to be perfect.

Here is a link to the circuitry schematic because the reflector does not allow attachments:
https://drive.google.com/open?id=0B4HwK_7ksYQFWHpmYkJhTEE3NkU



Thanks in advance!

Allen Landmann,
KB3WEY

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