Craig Anderton's Bi-Filter Follower


  • Volume
  • Sweep
  • Sensitivity
  • Filter 1 Range (optional)
    selects the range of filter 1 (e.g. low, mid, high)
  • Filter 2 Range (optional)
    selects the range of filter 2 (e.g. low, mid, high)
  • Attack (optional)
    controls the attack time of the envelope
  • Decay (optional)
    controls the decay time of the envelope
  • ... (optional)
    Mark Hammer did a couple of modifications, check the links below


Featured in the July 1977 edition of Guitar Player Magazine.

Uses two parallel filters To give the effects some extra umph in the funk.

Most recent forum threads


Where to find one?

your browser doesn't support AJAX?

envelope-controlled envelope follower amplitude controlled fx pedal stompbox stomp box guitar effects pedal filter eq/excite/filter bandpass bp bpf band-pass filter diy
Syndicate content

Subscribe to our newsletter

Also check out Effects Database's social media accounts: