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Tubelab Discussion and support of Tubelab products, prototypes and experiments

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Old 16th March 2012, 08:29 AM   #1
AustinIrons is offline AustinIrons  United States
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Question Simple SE Build - Noob question

First amp DIY project and had a few questions that I hope you guys could help me with. I'm a mechanical engineer by training so trying to read a simple wiring schematic is a real head scratcher for me. The board is soldered so while waiting for the Edcor transformers to get here, I'm figuring out the chassis portion of the project.

I would like to add 2 sets of inputs to the chassis; the primary inputs will be dedicated to the phono preamp while the secondary inputs will give me the flexibility to add another line source in the future (DAC, etc). My question is, what type of switch will I need? Do I need a 4PDT, where both sets of L+R inputs are all wired to the switch and then out to the volume knob? Or should I use a DPDT, where only the hot sides of the inputs are connected to the switch and the neutrals go directly to the volume pot? Or am I totally off base on everything? Any help would be greatly appreciated, along with any wiring tips you may have. Thanks!
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Old 16th March 2012, 04:43 PM   #2
rknize is offline rknize  United States
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If you were using balanced inputs, then you may want to use a 4P switch (depending on the amp). If you are just using RCA jacks like most builders, then a DP switch works just fine. All of the shields on the SSE will terminate to a common point anyway, so a DPDT will do the job.
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Old 17th March 2012, 07:13 AM   #3
AustinIrons is offline AustinIrons  United States
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Thanks Russ!
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