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In Reply to: RE: CAE PC-7A output wiring questions posted by Joe Curcio on February 13, 2012 at 15:52:05:
What is accomplished by only removing the 0.1 cap and leaving the 4.7K resistor in place? That is no different than simply leaving the loudness switch in the off position.Yes, it does maintain the original contour of the volume control, but I can’t understand how it can be considered removing the loudness circuit, or bypassing the switch, as the OP asked. If David Hafler and Ed Laurent had originally designed the circuit without a loudness switch, there wouldn’t be a fourth tap on the pot to begin with, would there?
I also don’t know why someone would want to keep the original contour of the pot when there are so many complaints on the web about the jump in volume after the 12:00 position (where the loudness tap is located). There may be an equal number of complaints about volume changing too quickly on the low side, but I haven’t seen that nearly as often, and haven’t experienced it myself. Maybe that’s from all the folks with 104 db efficient speakers! Otherwise, it’s usually a matter of having the volume control at 9:00-10:00 versus 1:00-2:00 for normal listening volumes; not an issue as far as I can see.
Mike
Edits: 02/26/12
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- RE: CAE PC-7A output wiring questions - Flyquail56 19:17:40 02/26/12 (0)
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