10 Band Graphic EQ.gif
10 Band Graphic EQ.gif
45 to 90 hz hum filter.gif
45 to 90 hz hum filter.gif
Acoustic simulator.gif
Acoustic simulator.gif
Active 3 band tone control 2.gif
Active 3 band tone control 2.gif
Active Notch Filter.gif
Active Notch Filter.gif
Anderton Frequency Booster.gif
Anderton Frequency Booster.gif
Aphex Aural Exciter B.bmp
Aphex Aural Exciter B.bmp
Body Control.gif
Body Control.gif
Chebyshev LPF.gif
Chebyshev LPF.gif
DOD FX40B.gif
DOD FX40B.gif
Elektor Harmonic Enhancer 2.gif
Elektor Harmonic Enhancer 2.gif
Elektor Harmonic Enhancer.gif
Elektor Harmonic Enhancer.gif
Elektor Parametric EQ.gif
Elektor Parametric EQ.gif
Graphic EQ.gif
Graphic EQ.gif
Ibanez BE-10 Graphic Bass EQ.gif
Ibanez BE-10 Graphic Bass EQ.gif
Ibanez Graphic EQ.gif
Ibanez Graphic EQ.gif
Korg Parametric EQ.gif
Korg Parametric EQ.gif
Korg Tone Booster.gif
Korg Tone Booster.gif
Mixers and EQs.gif
Mixers and EQs.gif
Modified VOX Treble Booster.jpg
Modified VOX Treble Booster.jpg
Moog Parametric EQ.jpg
Moog Parametric EQ.jpg
Passive highpass filter.gif
Passive highpass filter.gif
Passive lowpass filter.gif
Passive lowpass filter.gif
Passive mic HP Filter.jpg
Passive mic HP Filter.jpg
Passive mic LP Filter.jpg
Passive mic LP Filter.jpg
Passive mic midrange boost.jpg
Passive mic midrange boost.jpg
Passive mic midrange cut.jpg
Passive mic midrange cut.jpg
Passive tone control.gif
Passive tone control.gif
Simple 3-band Tone Circuit.gif
Simple 3-band Tone Circuit.gif
Single Op Amp 3 Band Tone Control.gif
Single Op Amp 3 Band Tone Control.gif
Stereo Frequency Splitting Effect.gif
Stereo Frequency Splitting Effect.gif
Tube 50hz crossover.jpg
Tube 50hz crossover.jpg