
A normal flanger, at least in today's world, is just a delay line set to a very short time with some feedback. In "analog" pedals this is done with a bucket-brigade delay chip, and in DSP-based effects like digital pedals and plug-ins, it is one of the easiest effects to create. However, the original flanging effect was created by running two tape machines with the same material in sync, then varying the speed of one of them (sometimes by actually applying pressure to the flange of the tape reel with a finger) to cause some rather extreme and odd comb filtering.
Made popular by George Martin (and used heavily on John Lennon's vocals on many tracks from Revolver on) and Phil Spector (who used it on, well, just about everything), it is a classic effect that was difficult to achieve in software. Until now."
Title link takes you there.
Well unfortunately I have to say this thing doesn't come close to the sound of the, Tau Pipe flanger/phase shifter. The Tau has the true, through zero flanging sound. Check it out,
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Apples and oranges. It's not supposed to sound like a phaser.
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