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In Reply to: RE: This is a shunt-style balanced control. posted by Tre' on April 15, 2025 at 16:13:19:
Note the 220K resistor in each channel.
They are part of the shunt style balance control. No center tap is needed if the wiper is grounded; all it does is keeping the gain balanced and not mixing with the other channel if the wiper were to fail.
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Follow Ups
- Do you mean the wiper? - Ralph 10:02:43 04/16/25 (12)
- RE: Do you mean the wiper? - Tre' 17:07:35 04/16/25 (11)
- FWIW if you just have a grounded wiper it works exactly the same. - Ralph 08:15:36 04/17/25 (10)
- No it doesn't - Tre' 09:48:01 04/17/25 (9)
- Recommend you try it :) nt - Ralph 14:00:30 04/17/25 (8)
- I don't use a balance control but I can see that it would work. Just differently. - Tre' 14:04:18 04/17/25 (7)
- Without the grounded tap - Ralph 14:15:05 04/17/25 (6)
- RE: Without the grounded tap - Tre' 18:46:37 04/17/25 (5)
- Again, you should try it. nt - Ralph 11:56:06 04/18/25 (4)
- OK. I did. - Tre' 13:25:34 04/18/25 (2)
- You didn't include the load of the input of the next stage - Ralph 14:27:58 04/18/25 (1)
- There isn't one. - Tre' 15:49:31 04/18/25 (0)
- OK. I will. nt - Tre' 12:51:17 04/18/25 (0)
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