JAM Pedals Rattler mk.2

JAM Pedals Rattler mk.2

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1) Overview

The JAM Pedals Rattler mk.2 refines and reimagines the ferocious tone of early ’80s distortion boxes, delivering a modern evolution of the classic RAT-inspired circuit. Known for its raw attitude and touch sensitivity, the Rattler has long been a favorite for players seeking amp-like saturation with dynamic response—and now it’s been re-engineered for even greater tonal versatility, reliability, and control.

At the heart of the mk.2 is a custom-designed op-amp developed by JAM Pedals to perfectly replicate the open, dynamic feel of the vintage LM308 while ensuring consistent production and long-term dependability. The addition of a Mid Boost footswitch introduces a powerful new tonal dimension, enhancing presence and articulation without simply increasing volume. Combine that with two distinct clipping modes, click-less switching, and customizable startup behavior, and the Rattler mk.2 delivers refined distorted elegance for players who demand character, control, and craftsmanship.

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2) Highlights

• Custom JAM Pedals op-amp replicates vintage LM308 tone and response
• Selectable symmetrical or asymmetrical clipping for distinct saturation textures
• Independent Mid Boost footswitch with internal level and bass controls
• Click-less, noise-free switching with customizable startup power state
• Handcrafted analog distortion designed for dynamic, amp-like performance

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3) Specifications

Body

• Construction: Heavy-duty metal chassis
• Finish: Custom graphic artwork
• Footswitches: Click-less true-bypass for Rattler and independent Mid Boost
• LEDs: Status indicators for both distortion and boost

Electronics

• Circuit Type: Analog distortion
• Op-Amp: Custom discrete-component design replicating LM308 behavior
• Clipping: Selectable asymmetrical (classic) or symmetrical (modern)
• Controls:

• • Level – Output volume

  • Gain – Distortion amount

  • Tone – High-frequency filter

  • Mid Boost – Independent pre-distortion tone enhancer (engaged via second footswitch)

• Internal Adjustments:

  • Boost Level (sets overall boost intensity)

  • Bass Content (adjusts low-end response of boost)

• Power: 9V DC center-negative (adapter only – no battery operation)
• Bypass: True bypass with silent relay switching
• Startup State: Selectable “On” or “Off” at power-up

Connectivity

• Input: 1/4” mono jack
• Output: 1/4” mono jack

Miscellaneous

• Designed for guitar and bass
• Handcrafted in Greece
  

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4) Why Buy from Tone Shop Guitars?

At Tone Shop Guitars, we pride ourselves on offering a curated selection of instruments and effects backed by knowledgeable staff and exceptional customer service. Whether you're shopping online or visiting us in person, our goal is to help you find the right gear and deliver a top-tier experience every step of the way.