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Question re:balance control

170.225.12.33

I've noticed in many (most?)vintage systesm the balance control consistes of a 2-channel pot, one section used for L & one for R. Conventional and easy to understand. On the other hand, I've also seen a scheme where one mono pot is used with the wiper grounded, and one side going to L and the other to R. This seems like an elegant way to go, no? What are the drawbacks? I would guess someone will say cross talk between channels, but with the center grounded, doesn't seem possible.

Follow Ups:

No cross-talk problem only if it is a perfect ground. (NT) - Kal Rubinson 13:14:41 07/02/09 (1)
- RE: No cross-talk problem only if it is a perfect ground. (NT) - Ron Oehlert 20:21:42 07/02/09 (0)
  And actually, such circut connection is not a Ground (only the SAFETY connection is Grounded), but a Common Current Return for both channels.

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