I've always wondered how to get a certain sound out of my guitar like a rapid vibrato. I'm not talking about whammy bar flutters or whatever (like on Emperor Curse You All Men), it sounds like that but much faster. If you want to know what I'm talking about, listen to Obituary - Chopped In Half (1:10), or Cradle Of Filth - somewhere in the Amor E Morte solo. I can't think of any other examples off the top of my head. I was told it was done with a whammy bar and to watch a Van Halen vid. I haven't seen anyone do this effect, and I'm still convinced that it's done by an effects unit as it is very fast. Anyone out there know how to do it or what effect units, if so, does it?

an ibanez cf7, chorus/flanger pedal on the "whack'd" mode will do some shit like that. or maybe an autowah, or a tremelo pedal, or a vibrato pedal.

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maybe finger vibrato, done very fast, or a chorus pedal, chorus with extreme sttings slightly fluctuates the pitch.

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sounds like a tremelo effect to me..

I've got a Zoom GFX-5 and have tried chorus, tremolo and vibrato on the extreme settings. Vibrato sounds the closest out of those three, but it still doesn't sound right. I tried vibrato on an RP300 too, but it was nowhere near fast enough. I'm still not convinced that it's done by hand either. I'm thinking it's a certain vibrato unit, but I still want a definite answer by someone who can replicate the sound.