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Audio switching project

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Jefros

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Hi guys, wonder if you can help me,

I'm mainly involved with radio station studio wiring etc, and have made electronic circuits in the past, but can't seem to find what i'm after.

I want a switching circuit whereby I can have one momentary selector button and the output toggles power between 4 LEDs, each then driving a transistor and relays to select particular balanced audio channels.

I think its something like a counter ic, or maybe even a complex layout of gates would enable me to do it, but I can't seem to find exactly what i'm after online, would have thought it was a common circuit?!

Any help appreciated

Jef
 
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