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| Clicks: 101 | Votes: 0 | Comments: 0 | Rating: 0 | Rank: 4
Sometimes, for a variety of reasons, it would be nice to vary the width of the `sound stage` when listening to stereo recordings. Although technically this is anything but hi-fi, it is a useful addition to PC speakers, or even for the music centre in the listening room...
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| Clicks: 9823 | Votes: 0 | Comments: 0 | Rating: 0 | Rank: 4
This is a collection of inverting and non-inverting active high pass filter circuits. I included one, two three, four and six pole filter circuits. You can change the component value ratios shown to achieve any frequency cut-off you may need. The circuit does not specify an operational amplifier. The circuits should be used to select the needed resistor and capacitor components for a particular frequency knee and slope...
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