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JAM Pedals Rattler



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  • Amazing tones of great early ‘80s ProCo RAT®
  • Open, dynamic and overdriven tube amp feel
  • Toneful high gain distortion
  • Fat, creamy sound and sustain
  • Dynamic response
  • Amp like performance
  • Responsive to pick attack and fretting nuances
  • Asymmetrical clipping circuit and carbon comp resistors
  • Includes the legendary NOS LM308N chip
  • Hand built and wired
  • Level, Tone and Gain
  • Hand painted snake artwork
  • LED power indicator on and off
  • True bypass
  • All analogue
  • Side mounted jack sockets
  • Limited lifetime warranty


Rattler is JAM Pedals’ unabashed distortion monster.

JAM Pedals pulled out all the stops to make sure the Rattler will get you all the amazing tones of great early ‘80s ProCo RAT® distortion boxes.

After extensive research and development, JAM Pedals created the Rattler to be more responsive to pick attack and fretting nuances, resulting in an open, dynamic, overdriven tube amp feel.

The JAM Pedals Rattler includes an asymmetrical clipping circuit, carbon comp resistors and of course the legendary NOS LM308N chip.  The featured star of this design are the main ingredients of a great recipe resulting in the Rattler shining through any modern or vintage rig.

Enjoy fat and creamy distortion courtesy of the devious snake.


Artist Quotes

“I am particularly fond of the Rattler, as I have been on the prowl for toneful yet high gain distortion.  There are plenty of fuzz boxes out there these days (and JAM Pedals has some good ones, too) but few distortion boxes.  The Rattler has that fat, creamy sound/sustain yet doesn’t have to be turned up all the way step out when full on raging is required!”  Nels Cline

Reviews – Guitarist Magazine

“Its wide range of harmonically- rich distortion tones, combined with dynamic responsiveness, make it a great asset for anyone’s pedalboard.”

Reviews – Toneport Magazine

“Where this pedal really stands out is in its amp like responsiveness and superlative tone. The JAM Pedals Rattler doesn’t have a bad sound in it”

Rattler Artists

Nels Cline, Kurt Rosenwinkel, Robert Randolph, Julien Kasper

Click Here To View JAM Pedals Rattler Product Manual


  • Level: Controls the output level
  • Tone: Adjusts the tone
  • Gain: Sets the gain level

Component Listing and Tech Spec

  • High quality components available throughout
  • Asymmetrical clipping circuit and carbon comp resistors
  • Includes the legendary NOS LM308N chip
  • 9V centre negative power
  • 5mA current consumption

Enclosure Dimensions

  • Length: 110 mm / 4.3 in
  • Width: 59 mm / 2.3 in
  • Height: 31 mm / 1.2 in


  • 216 g

FX Pedal Planet Limited and FX Pedal Planet Online Store are proud to be UK dealers for JAM Pedals effects pedals.  If we do not have the JAM Pedals effects pedal required, please message us via the contacts page and we will do our best to get the product that you want at the very best price and service.

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