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Help understanding rotary switches

post #1 of 3
Thread Starter 
Ok, I will have 4 stereo audio sources (PS3, Bantamdac, and (tbd) via RCA, one 3.5mm for a portable), with 2 stereo outs (RCA to headphone amplifier and speaker amplifier). I want to use a rotary switch to control each out. I will be using a plastic box.

From the inputs I was going to split the signal to each switch running a left, right, and ground wire. Am I correct that to do this, I will need a 3 pole, 4 position switch? If I have the first part correct, then I need help deciding between shorting and non-shorting. From google, I understand basically what each does, but what I don't know which is better/safer/etc.

Any help or suggestions (if constructive) would be very much appreciated. I still have a hard time understanding grounding, so if my idea to switch the ground isn't great, please feel free to make suggestions.
post #2 of 3
You're correct on the swithc, if you want to switch the grounds. I do in mine, but one input is from the video/TV DVD, so I want that ground isolated when I don't have it switched in. I don't think you really need to worry about the make before break (shorting) or not. I would probably use a non-shorting switch for this application. You'll also need a switch for the outputs, unless you are just going to parallel them.
post #3 of 3
Thread Starter 
Quote:
Originally Posted by Pars View Post
You're correct on the swithc, if you want to switch the grounds. I do in mine, but one input is from the video/TV DVD, so I want that ground isolated when I don't have it switched in. I don't think you really need to worry about the make before break (shorting) or not. I would probably use a non-shorting switch for this application. You'll also need a switch for the outputs, unless you are just going to parallel them.
Excellent. Thank you. I was going to just parallel the outputs.
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