Behringer-Ultra-Flanger-UF300-Stompbox-Behringer-UF300-P-From-vintage-flanging-to-jet-plane-thick-chorus-vibrato-&-short-delay-the-Behringer-Ultra-Flanger-UF300-stomp-box-does-it-all-P-P-The-Flanger-effect-was-originally-generated-by-playing-back-two-synchronized-reel-to-reel-tape-recorders-with-a-finger-rubbing-on-the-flange-of-one-of-the-take-up-reels-This-slowed-down-the-playback-on-one-machine-causing-the-output-signal-to-become-out-of-phase-with-the-original-as