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Tone and volume control circuit diagrams

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Automatic Loudness Control Circuit Schematic
Automatic Loudness Control Circuit Schematic
August 8, 2010

In order to obtain a good audio reproduction at different listening levels, a different tone-controls setting should be necessary to suit the well known behavior of the human ear. In fact, the human ear sensitivity... [more]


circuit from:http://www.extremecircuits.net/2010/02/automatic-loudness-control-circuti.html

Digital Volume Control
Digital Volume Control
August 8, 2010

This circuit could be used for replacing your manual volume control in a stereo amplifier. In this circuit, push-to-on switch SW1 controls the forward (volume increase) operation of both channels while a similar switch SW2... [more]


circuit from:http://www.extremecircuits.net/2009/07/digital-volume-control.html

Paraphase Tone Controller
Paraphase Tone Controller
August 8, 2010

This unique property makes the ‘paraphase’ configuration of interest if only treble or bass needs to be adjusted - it is not possible to adjust both at the same time! Essentially, it’s the difference in... [more]


circuit from:http://www.extremecircuits.net/2010/05/paraphase-tone-controller.html

Digital Volume Control
Digital Volume Control
June 22, 2010

Circuit of a digital volume control using six discrete ICs, including a 5V regulator, is presented. [more]

10 Band Graphic Equalizer
10 Band Graphic Equalizer
April 13, 2010

With graphic equalizer we make selective cutting off or boost, of selected departments of acoustic spectrum. With this way we can adapt the musical reproduction, in the characteristics of space where we hear. This can... [more]

Balance input with Gain and Volume
Balance input with Gain and Volume
April 13, 2010

Circuit with electronic symmetrical input, with possibility of regulation of the gain from the pontesometer RV1 and the level of signal with the RV2. The quality of pontesometer RV1 (as other material), should be very... [more]



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