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-   -   what kind of source selector switch??? (https://www.diyaudio.com/forums/parts/92499-source-selector-switch.html)

cbutterworth 19th December 2006 04:26 PM

what kind of source selector switch???
 
I am finishing mt Aikido preamp. Yes, there are a few issues with hum right now, which I hope to deal with soon.

Anyhow in the meantime, I am thinking about my source selector switch. My current passive preamp uses a 2-pole 6 position Elma switch. It works very well. I also have an Alps 50K pot wired in shunt mode.

My plan is to move the selector switch to the Aikido and add a 100K stepped attenuator. I will use the switch from the passive.

My question is whether I should buy a 4-pole switch for the Aikido so that I can select/deselect each channel's signal gnd, or whether a common gnd between different channels will make any difference. As I say, the current common gnd works really well already.

Maybe I should even consider simply replacing the 50K pot in my passive with a 100K stepped and using the passive as selector/volume for the Aikido preamp?

Thanks,
Charlie

Leolabs 20th December 2006 01:18 AM

It's ok to have a common ground,save some wirings.


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