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    Rainger FX Dr. Freakenstein Chop Fuzzz FX Pedal (incl. Igor)

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    Rainger FX design and manufacture cutting-edge guitar effects pedals right here in the UK, and the latest pedal in their Dr Freakenstein dynasty is the Chop Fuzzz!.

    The Chop Fuzzz is actually a very specific type of multi-effects pedal, as aside from offering massive gated and chopped up fuzz tones, it also has modulation, synth-like filters, a noise gate and an expression pedal for wah-like effects via the 'Igor' controller pad which is included! 

    The Details
    • Effect: Fuzz
    • Massive gated fuzz sounds
    • Modulation, noise gate and expression effects also
    • Includes 'Igor' expression foot/hand controller pad
    • Synth-like filters
    • Amazing 'blinking eye' signal meter!
    • ‘Hi/Lo’ intensity switch
    • LEDs for days!
    • Another Rainger FX tasty custom enclosure!
    • True bypass
    • Current draw: 63ma
    • 9v DC


    • Free UK shipping from orders of £200 or more
    • Orders despatched within 1-2 working days
    • Always tracked worldwide shipping
    • Plastic free packaging as standard


    30 day peace of mind return policy, but please read our terms and conditions, returns and refunds policy before placing an order. 

    What Do Rainger FX Say?

    The Chop Fuzzz is an uncompromising all analog, full-on gated fuzz pedal - with a whole bunch of interesting ways of manipulating the signal. 

    It’s the latest instalment in the Dr Freakenstein dynasty!!!

    As well as fuzz, it has two types of modulation, a pressure-operated expression pedal (to do wah wah-like effects), a tunable drone facility - capable of ring modulator tones - and a noise gate; it’s actually a very specific kind of multi-effects pedal.



    The fuzz circuit is the same massive distortion one used in the original Dr Freakenstein Fuzz (plus the three versions that followed, and the first Dr Freakenstein Chop Fuzz, and the six minipedal versions). It’s incredibly loud, with a ton of low-end, and searing highs available.

    Yet it’s weirdly quiet when you’re not playing.

    The ‘OVERTONE’ control

    This is like a wah wah with the tone of an extreme phaser. Set it using the knob, or manipulate it in real time by foot with our Igor pressure pad controller (supplied).

    The ‘LFO’ section

    This modulates the signal in a slightly more ‘3D’ way than the ‘overtone’ sound. Moving in a triangle waveshape, the speed can be set using two knobs. ‘Slow’ has a low speed range - for long, slowly-twisting cycles right up to fast wobbles, while the second one - ‘fast’ - is in the audio range; tune it in to a specific pitch (across several octaves) underneath the notes or chords that you’re playing.

    Toggle between these two on-the-fly with the footswitch.


    The Chop Fuzzz has a hard squarewave tremolo built-in. When locked-on, in combination with the ‘LFO’ section it can create all kinds of slowly sweeping helicopter effects, or fast, bubbling synthy-sounds.

    Or flash it on and off at specific points for a chop accent using the Igor controller.

    What else?

    It has a ‘Hi/Lo’ intensity switch.

    It can be controlled using 5v CV by sequencer or modular synth.

    There’s a spooky ‘eye meter’, showing the input signal level, but also - using backlight illumination - the LFO and ‘Chop’ operation and Hi/Lo setting.

    The LFO and Chop switches light up - for extra clarity and LED thrillpower!

    Both the desk-style enclosure and the knobs are custom Rainger FX designs.

    The pedal is true bypass.

    The Chop Fuzzz is easily the most advanced Dr Freakenstein pedal we’ve produced.

    An extreme pedal for extreme sounds.

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