FC-1 FLANGE-CHORUS

The late 1970s and early '80s produced some legendary flangers. Those effects utilized bucket brigade device (BBD) chips that allowed them to produce super-wide delay sweeps from 15ms all the way down to 0.4ms (about the limit of perception by the human ear). Unfortunately, by the mid-'80s, those BBDs were out of production and since then most analog flangers have been limited to minimum delay times of well above 1ms. Some perfectly fine flangers have been made with those limitations, but truly versatile flanging requires more.