VOLUME CONTROL PASIVE !

Radu1984 · 04:21 AM

I have build many volume control units but i stumble'd upon a pasive volum control made only with R.C. components i have built it ( can put pictures since i dont own a camera ) but did not teste yet and i want to know wath do you think about him,some ideeas , opinions are welcome'd ! The schematic is for mono channel but for stereo are 2 and a dual gang potentiometer,so hope you are interested ! Thanks allot !

P.S.- Its physiological compensated volume regulator so it follows the
" human ear line "

Leon08 · 7th September 2011, 08:36 PM

Not very good.What is the purpose of this resistors and capacitors after the pot?

Radu1984 · 8th September 2011, 01:46 PM

Quote:

Originally Posted by Leon08

Not very good.What is the purpose of this resistors and capacitors after the pot?

Well since the schematic is from a book,i assume the capacitors are in some ways linked to the frequenci and the resistors to audio voltage since te volume control is an voltage divider !

DF96 · 8th September 2011, 02:27 PM

It appears to be a crude attempt at a loudness control.

Radu1984 · 8th September 2011, 06:34 PM

Quote:

Originally Posted by DF96

It appears to be a crude attempt at a loudness control.

Well i guess so but i will post some measuring diagrams after testing him !

Radu1984 · 14th September 2011, 06:58 AM

Quote:

Originally Posted by DF96

It appears to be a crude attempt at a loudness control.

So do u think it will not work ?

DF96 · 14th September 2011, 10:56 AM

It will work in the sense that it will vary the volume. It will work in the sense that the frequency response will vary with control position, assuming that is what you want, but to what extent this will mimic the Fletcher-Munson curves I don't know. It looks like it will let through some bass even at 'zero' volume.

Radu1984 · 25th September 2011, 08:11 AM

Quote:

Originally Posted by DF96

It will work in the sense that it will vary the volume. It will work in the sense that the frequency response will vary with control position, assuming that is what you want, but to what extent this will mimic the Fletcher-Munson curves I don't know. It looks like it will let through some bass even at 'zero' volume.

Im disapointed it does just that , bass at zerro volume level !

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7th September 2011, 08:36 PM	#2
Leon08 Banned Join Date: Sep 2010 Location: at Home	Not very good.What is the purpose of this resistors and capacitors after the pot?

8th September 2011, 02:27 PM	#4
DF96 diyAudio Member Join Date: May 2007	It appears to be a crude attempt at a loudness control.

14th September 2011, 10:56 AM	#7
DF96 diyAudio Member Join Date: May 2007	It will work in the sense that it will vary the volume. It will work in the sense that the frequency response will vary with control position, assuming that is what you want, but to what extent this will mimic the Fletcher-Munson curves I don't know. It looks like it will let through some bass even at 'zero' volume.