Audio Box

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Audio Box is used for sharing and recording audio from two radios.

Designed for CQ WW SSB contest 2014 by Sinisa YT1NT.

First samples are produced in SKY SAT Communication for contest purpose and modified for production.

This box is connected on radio’s low level audio output.

It has own differential audio amplifier for driving headphones, and soft audio switching to switch own radio source and monitored radio source.

With a push of a button you can listen:

  • Your own radio in both ears (MONO).
  • Your own audio on right channel and monitored radio on left channel.