vibe pedals vs. vibrato on amps

[slowburn]

if one gets a vibro champ, or a princeton, for example that have vibrato, how does that compare to using a vibe pedal? is there a difference?

[dosmun]

A Vibrato and a Vibe are 2 different FX.

[AbstractLunatic]

I think Fender amp "vibrato" is a Tremolo effect...

[bobgoblin]

ok, the labeling on fender amps is wrong, they do not have true vibrato (pitch modulation), they have tremolo (volume modulation). vibe pedals (the ones i know) often try for that uni-vibe effect (leslie). as the "classic" leslie sound is that of an organ (b-3, rhodes) being pumped through them, the effect being approximated by these pedals usually has a slight "chorus-y" sound as well as pitch modulation (to approximate the stationary driver (speaker) & the oscillating horn driver. at least that's the way its been explained to me.

[erksin]

"Vibrato" on Fender amps is NOT vibrato - it's tremolo. The only amps that had true pitch-shifting vibrato were the Magnatones of the 50s/60s.

A Vibe unit isn't vibrato either - it's sort of a cross between phasing and tremolo...

And on guitars - it's a vibrato, not tremolo.

Fender really did a nice job out of confusing the hell out of us, didn't they..?

[Memorex]

Not exactly, vibe units do true pitch bending via phase shifting, but when the shifted signal is combined with the original signal, you hear the phase shifting effect due to cancellation. If you take a vibe and set the mix to 100% effect (assuming it does that), it sounds like true pitch vibrato. Tremolo on most amps is just amplitude modulation, and a Tremolo bar on guitar is really a vibrato bar. It gets confusing.

[BmoreTele]

I think we've just about covered it, except -

The original Uni-Vibe was trying to do a Leslie, but failed and came up with an entirely new and cool effect.

Juke amps also have pitch modulation vibrato.

The "vibrato" on the Vibro Champ and Princeton is a very cool sounding tremolo.

I have a Voodoo Vibe AND an EHX Pulsar tremolo in my rig.

[fr8_trane]

As for comparing amp tremolo to pedal trems the answer is...

Ummm...well...its complicated.

Lots of guys swear by amp trem. Keep in mind there are two distinct kinds. The bias trem found on the princetons and champs (among others) and the opto trem found on all other BF fender amps. The bias trem is more subtle and "throbby" than the choppier opto style. There are inherent problems with amp based trem. They can be noisy; the tubes wear out and need to be replaced; they can audibly tick; in the BF amps they divert gain from the circuit. I have also read that the bias based trem can wear out power tubes or even damage the amp if not properly maintained. Personally I like pedal trem. The good ones are virtually indistinguishable from the amp based trems with none of the negatives. Hell even the cheapo Dano trem sounds good to me especially if you only need trem on a couple of tunes per gig. YMMV

[drbob1]

Well, I think there're a few more types of amp "tremelo" out there:
1. Tweed, which I believe is similar to the Vibrochamp-takes part of 1 tube, varies the volume of the signal.

2. Brown-uses 1 1/2-2 tubes and varies the bias on the power tubes, very deep and swirling.

3. Opto-the BF version, uses a little light to basically shut off the signal, can be subtle to very choppy, varies volume.

4. Magnatone-uses a circuit I don't understand to actually change the pitch of the note, kind of seasick if used too much, but as a subtle thing can be very useful.

5. There's a lot of other amps out there using variations on these circuits, but #1 is the commonest. I'm not sure what Vox uses for example, although it can be very useful.

Pedals can't exactly copy the interaction between the various parts of the amp, so they reduce complexity somewhat. That said, they make some very good sounds. I think you need both in your stable, but if you gig with "tremelo" I think the Brown or Black fenders are the best sounding.

[threm]

"Any phaser will do vibrato... you just switch off the direct signal that is normally mixed in with the phase shifted signal."
Jack/AMZ-FX

Some "Pure vibrato" effects;

SIB Vibromatic $130
http://www.stevesmusiccenter.com/SIBMrVibromatic.html

EH The Wiggler $200
http://www.ehx.com/ehx2/Default.asp?q=f&f=%2FCatalog%2F14_Modulation%2F24_The_Wiggler

Austone Vibrostomp at $369 Clips on the site
http://www.austone-electronics.com/...ibro-stomp.html

http://www.austone-electronics.com/assets/images/vibrostomp.gif

BJF Mint Green Mini Vibe $425 Clips on the site
http://www.musictoyz.com/guitar/pedals/bjf.php

VIBROMAN 2.0 STEREO VIBRATO
Prices start at.......... $1900.00 US Dollars
http://www.vibroworld.com/product.html

[erksin]

And the Frantone 'Vibutron' as well...

I picked up a DLS Chorus-Vibe, and it has killer vibrato tones. Very comparable to my old '62 Magnatone 440...

[LSchefman]

I have tremelo on the Tremoverb in my studio, and a tremelo pedal by Fulltone on my pedalboard hooked up to my Onyx.

Believe it or not, I actually like the Fulltone's trem better than the one on the Mesa, and I do like the Mesa one! The Austone is also killer, a great sounding Trem.

Vibe units are, indeed, quite different from tremelos.

[decay-o-caster]

The Austone has both vibrato (not "vibe") and tremolo, but not at the same time. I like the vibrato effect on it best, which surprised me.

[erksin]

Originally posted by decay-o-caster
The Austone has both vibrato (not "vibe") and tremolo, but not at the same time. I like the vibrato effect on it best, which surprised me.

The Austone pedals Vibrato is a DEAD ON Magnatone simulation - I just couldn't sink that much $$$ into an effect I use that sparingly. Beautiful tones in that box...