Behringer-Super-Flanger-SF400-Stompbox-Behringer-SF400-P-Get-the-entire-history-of-popular-flanging-effects-in-one-box-with-Behringer-s-Super-Flanger-SF400-stomp-box-P-P-Flange-occurs-when-two-identical-signals-are-mixed-together-but-with-one-delayed-by-a-small-gradually-changing-amount-P-P-It-makes-your-guitar-sound-something-like-a-vintage-rotary-speaker-but-by-adjusting-certain-parameters-it-becomes-syrupy-&-psychedelic-P-P-The-SF400-s-Real-Sound-Modelling-R