im looking at pedals that are either ridiculously fast or have a very long range of slow to pretty ridiculously fast. boss pn-2, zvex seek-trem and guyatone vt-x. any others?

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my tremolo is so fast you can't even hear it.

the VT-X is pretty sweet though (sold mine a month ago... i don't use modulation much). it's incrdibly musical, and it goes pretty ridiculously fast IMO. the fast and slow modes overlap a lot though... i'd say most current tremolos have settings that are so fast i wouldn't want to use them.

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wish list: fish n chips, jamman, volume pedal, synth wah

maybe we can help

EH Pulsar. Goes so fast and so deep that it sounds almost ring mod-ish. Also is capable of going extremely slow to standstill.

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+1

Originally posted by FakePlastic
EH Pulsar. Goes so fast and so deep that it sounds almost ring mod-ish. Also is capable of going extremely slow to standstill.

+1+1

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moogerfooger ring mod, goes from tremelo to ring mod

Wait, how can you get a Ring Mod effect by changing the volume very quickly? That doesn't make sense.

It's not high speed that does that. It's high depth.

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but um, isn't depth just volume? Or am I missing something?

depth is the 'length' or deepness of the tremolo
short depth would be little chirps almost, and long depth would be almost vowel like sounding

Depth is the difference between the loudest and quietest part of the tremolo cycle. (Amplitude of the LFO)

Speed determines the length of time it takes to complete one volume up/volume down cycle. (Wavelength of the LFO)

On some trems you have a shape setting which usually adjusts between Square, Sine, and sometimes Sawtooth or Triangular waves. (Attack and Decay of the LFO).

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Yes, but how does any of that create a Ring Mod-ish sound?

Ring modulation is also called amplitude modulation, which is basically like tremelo in that it is varying the volume of an audio signal with a sine wave.. When you modulate the volume of a sound with a sine wave very slowly you get a tremelo sound. As you speed up the rate of modulation, it creates ring modulation.

Think about it like this- say your guitar signal is 400hz, and you modulate it's amplitude with a 10hz sine wave. It sounds like tremelo- every time the volume comes up you hear the pitch of your guitar note. (BTW remember Hz means wave forms/ sec- so 10hz is a pretty fast tremelo, going up and down 10X/ sec.)

Increase the modulating frequency to 100hz and it starts to interfere with hearing the frequency of your guiat signal- you don't hear the guitar for long enough to determine it's pitch. Increase the modulating frequency to 300-500hz and it interfers with the orignal frequency, so you start to hear the tremelo freq as being the dominant freq- qhich is why in ring modulation, the higher the modulating freq, the more all the notes you play sound like the same pitch.

I have an alesis bitrman which is pretty cool becuase the ring mod very obviously goes from tremelo to ring mod. And the frequency modulation goes from pitch vibrato to FM.

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That kind of makes sense. Because you're cutting out intervals, it interferes with the wave, which at high speeds, interferes with the pitch.

check out 4ms pedals. the tremulus lune is really fast and deep. it's also possible to be really, really slow.