Re: Volume control for stereo signal?



MRW wrote:

Hello all,

Let's say I have two mono sources that will be outputted as a stereo
signal to a headphone. If the mono sources pass thru two simple opamp
configured as inverting amplifiers, how do I control the amplitude
level of both mono sources simultaneoulsy? Is there a potentiometer
that has multiple variable resistors that can be controlled by one
knob?

You need a 'stereo' or twin gang pot. For audio you'll also want one with an
audio taper to give it a sensible change of volume with rotation.

Graham

.

Relevant Pages

  • Re: Volume control for stereo signal?
    ... Let's say I have two mono sources that will be outputted as a stereo ... how do I control the amplitude ... dual ganged logarithmic potentiometers are made for just this purpose. ... Radio Shack do a 100k one for $3.99 if you are in the USA ...
    (sci.electronics.basics)
  • Re: Volume control for stereo signal?
    ... Let's say I have two mono sources that will be outputted as a stereo ... signal to a headphone. ... how do I control the amplitude ... dual ganged logarithmic potentiometers are made for just this purpose. ...
    (sci.electronics.basics)
  • Re: Volume control for stereo signal?
    ... Let's say I have two mono sources that will be outputted as a stereo ... signal to a headphone. ... If the mono sources pass thru two simple opamp ... how do I control the amplitude ...
    (sci.electronics.basics)
  • Volume control for stereo signal?
    ... Let's say I have two mono sources that will be outputted as a stereo ... signal to a headphone. ... If the mono sources pass thru two simple opamp ... how do I control the amplitude ...
    (sci.electronics.basics)
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