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In Reply to: RE: One Channel Hum Affected by Volume posted by mr9iron on March 31, 2025 at 13:03:02
I have the same Scott unit that I use in a second system. I never run the volume past 8-9:00 or it is too loud! Not sure why yours is running at 2-3:00, seems that something is not right there.
I'm getting ready to open mine up because the balance control is giving me trouble that normal deoxit cleaning is not fixing. Maybe we can compare notes :)
JRMA
Update, the rear pot adjacent to the AC switch is actually the clean channel. Good theory though..
JRMA,
Some of this is from my memory, but I believe the reason I reach that full useable volume at that spot, 2:00 -ish is just the physical characteristic of the new volume pot. If I re-call the original pot was more like you described.
The reason for this is because the new pot needs a good amount of clockwise turn to turn the power switch on. The new switch is "turn on -click" - not "pull on" like the original. By the time you click to "on" you are almost at 8-9:00 already with no volume.
So if my memory is right, this would put the "lag" just about where you are stating your volume is. I also think if I re-call, with very inefficient speaker load, 12:00 would be the absolutes max it could run and with efficient loads, right about where you are stating. So I think it's just a physical positioning thing.
Yes we can compare notes, I hope to have more to report...
JRMA,
Some of this is from my memory, but I believe the reason I reach that full useable volume at that spot, 2:00 -ish is just the physical characteristic of the new volume pot. If I re-call the original pot was more like you described.
The reason for this is because the new pot needs a good amount of clockwise turn to turn the power switch on. The new switch is "turn on -click" - not "pull on" like the original. By the time you click to "on" you are almost at 8-9:00 already with no volume.
So if my memory is right, this would put the "lag" just about where you are stating your volume is. I also think if I re-call, with very inefficient speaker load, 12:00 would be the absolutes max it could run and with efficient loads, right about where you are stating. So I think it's just a physical positioning thing.
Yes we can compare notes, I hope to have more to report...
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