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Gig-FX Pro-Chop Tremolo Guitar Effects Pedal

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The Gig-FX Pro-Chop Tremolo Guitar Effect Pedal opens up a whole new world to guitarists and other musicians who want to produce repeatable and trancelike grooves or pulsating effects that are in perf... Click To Read More About This Product

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The Gig-FX Pro-Chop Tremolo Guitar Effect Pedal opens up a whole new world to guitarists and other musicians who want to produce repeatable and trancelike grooves or pulsating effects that are in perfect sync with any track.

There are two ways to achieve this; one is by setting the frequency read out on the LCD to the chosen tempo. This allows for the first time ever a precise and repeatable tempo for a tremolo wave / chop / pan.

The second is by syncing with any track / synth that has a MIDI clock available. By syncing with a given MIDI clock beat, the Pro-Chop effect pedal can allocate or 8 chops / pans / tremolo waves allowing a wide variety of sound patterns. Whenever the device is turned on, it will be instantly in perfect sync.

The output signal from the Pro-Chop tremolo pedal may be mono or stereo, but is infinitely more interesting in stereo. In stereo, the effect can be panned or "chopped" from one channel to another and combined in phase or out of phase in various ways to produce an infinite number of captivating sounds. Merely describing it will not do it justice. You have to hear it to believe it!

There are two waves (oscillators) on the Gig-FX guitar pedal, one is a square wave which produces the chop sound and the other is a triangle wave which provides the tremolo or pan. Both waves run independently. On the left side of the unit, the controls adjust the chop attributes, and on the right side, the controls adjust the pan and tremolo attributes. There is a Mode Selector Switch which allows you to choose Chop only (CHOP), Tremolo / Pan only (STIR), and either of two combinations of both (BLEND and SHAKE).

In mono, when you turn the Chop on, the sound will be turned on and off at the rate and ratio you choose. In stereo, when one side is off, the other side is on, so the signal bounces back and forth across the sound stage. Try it on a big stage and the audience will be knocked out.

In pan / tremolo mode, in mono, the device will provide a versatile tremolo effect that allows the signal to be modulated deeper and slower than all other tremolo units, and the tempo can be set on the fly. In stereo, one side is on while the other is off, so the sound pans gradually from the left to the right at a rate determined by the rate control or pedal.

When you select the Blend or Shake modes, in mono, you hear the two waves beating against each other. In stereo, the Gig-FX Pro-Chop gives you rhythmic pulses flying across the room.


  • All analog signal circuitry with digital control, crystal clear sound, no coloration.
  • Easy to use. 2-button control (scroll/select) of the MIDI synch options/LCD display options.
  • Transparent bypass achieved by a FET switch. Open frequency response same as a true mechanical bypass, but more reliable. No signal drop or harmonics suck-out. Noiseless, pop-free switching.
  • Versatile: mono in, stereo out/mono in, mono out.
  • Reliable, wear-free, noise-free optical operation. Bypassed when pedal is all the way back.
  • 9V operating voltage, 20mA current consumption (we recommend using an AC adapter).
  • Will accept standard 2.1mm AC adapter supply plug, center negative.
  • Flashing blue and red LED's to show modulation rates.
  • Compact Size: 9" x 4" (228mm x 103mm).
  • Lightweight, high-quality aircraft aluminum casting and rugged construction, only 2.3 lb. (1.1 kg). Patented ergonomics.
  • Customer Reviews

Review Snapshot

by PowerReviews
Gig-FXPro-Chop Tremolo Guitar Effects Pedal

(based on 2 reviews)

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Reviewed by 2 customers

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(1 of 2 customers found this review helpful)


Chop it up

By basicSituation

from camarillo,Ca

Comments about Gig-FX Pro-Chop Tremolo Guitar Effects Pedal:

It is a cool pedal, and is really neat when you take advantage of midi so things are all clocked together. it's well made. never had a problem with mine, but it's not on my pedal board full time. If you are lookinf for this function there is no doubt that this is the best one. it is a very specific use.


Chopper, Does the job of 10 pedals.. Coolest sounds ever

By brian hanlon

from Catskills, Ny

Comments about Gig-FX Pro-Chop Tremolo Guitar Effects Pedal:

I recently tried a Pro Chopper in a guitar center cause I thought the name was interesting. Within 30 seconds, I was completely blown away at what this machine does. Run it stereo.. Its unreal. Its like having having 10 pedals in one. The amount of sounds u can generate to pulsating tremolo to delay is amazing. Its also midi sync so if you have drummer using triggers or backing tracks u can line it up. Its very light and durable. This is one of the most unique and interesting pedals Ive heard in a long time. I'vepermanently added it to my touring live rig. A MUST HAVE.. just youtube it and you will see what I'm talking about.

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