tristancalvaire Posted January 15, 2013 Share Posted January 15, 2013 Quite obviously, it'll vary from pedal to pedal what it's doing, but– on average, what is it? A resonant peak filter? A low-band amount lowpass? Link to comment Share on other sites More sharing options...
Rev. Juda Sleaze Posted January 15, 2013 Share Posted January 15, 2013 On many distortion pedals it sounds more like a mid-dip, but they're usually called "contour" or something. I'm talking out of my bum, but high-pass sounds more likely than low-pass to me. Maybe even high shelf. I'm sure there must be circuit diagrams and wotnot floating around the web. Link to comment Share on other sites More sharing options...
Rev. Juda Sleaze Posted January 15, 2013 Share Posted January 15, 2013 Just had a quick look, couldn't find anything definitive, but the RAT pedal boasts of its superiority to tone knobs, because it has a low-pass filter. This makes it likely others are usually peak or shelf. Link to comment Share on other sites More sharing options...
David Nahmani Posted January 16, 2013 Share Posted January 16, 2013 A low-band amount lowpass? What's THAT? ?? ? (never heard of such a thing - don't think it exists) Yes, in many cases it's a simple low-pass filter, sometimes it's a wide-Q bell boost. Link to comment Share on other sites More sharing options...
Rev. Juda Sleaze Posted January 16, 2013 Share Posted January 16, 2013 A low-band amount lowpass? What's THAT? ?? ? (never heard of such a thing - don't think it exists) Yes, in many cases it's a simple low-pass filter, sometimes it's a wide-Q bell boost. Do you know about "contour" knobs, like Marshall use? I know they dip the mids, but do they also boost? Link to comment Share on other sites More sharing options...
David Nahmani Posted January 16, 2013 Share Posted January 16, 2013 I know they dip the mids, but do they also boost? I'm not sure to be honest. Link to comment Share on other sites More sharing options...
Rev. Juda Sleaze Posted January 16, 2013 Share Posted January 16, 2013 I know they dip the mids, but do they also boost? I'm not sure to be honest. Must be a low-band amount lowpass Link to comment Share on other sites More sharing options...
tristancalvaire Posted January 16, 2013 Author Share Posted January 16, 2013 A low-band amount lowpass? What's THAT? ?? ? (never heard of such a thing - don't think it exists) Sorry, meant a lowpass filter without many poles- a 2-pole filter sounds significantly grittier than one with 4. Link to comment Share on other sites More sharing options...
David Nahmani Posted January 16, 2013 Share Posted January 16, 2013 a 2-pole filter sounds significantly grittier than one with 4. I would say exactly the opposite! Link to comment Share on other sites More sharing options...
tristancalvaire Posted January 16, 2013 Author Share Posted January 16, 2013 a 2-pole filter sounds significantly grittier than one with 4. I would say exactly the opposite! >_> Going by my Moog Slim Phatty, the 2-pole allows far more of oscillator's sound to bleed through, whereas 3-pole and 4-pole mute the sound's upper frequencies quite a bit more. 1-pole seemingly sounds as if it's straight up resonance/peak being added on top of the oscillator's sound. Link to comment Share on other sites More sharing options...
David Nahmani Posted January 16, 2013 Share Posted January 16, 2013 Going by my Moog Slim Phatty, the 2-pole allows far more of oscillator's sound to bleed through, whereas 3-pole and 4-pole mute the sound's upper frequencies quite a bit more. 1-pole seemingly sounds as if it's straight up resonance/peak being added on top of the oscillator's sound. I see what you mean. Link to comment Share on other sites More sharing options...
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