rattler bass

Every limited artwork pedal is a one-of-a-kind hand-painted piece. The pedal you receive will differ in detail from the photos shown, making it uniquely yours.

Rattler Bass

BASS DISTORTION

€259,00
€259,00
Tax included.

The Rattler Bass delivers fat, creamy bass distortion with the headroom, articulation and low-end authority modern players need. A custom discrete-component op-amp preserves the open, dynamic feel of the original LM308-based circuit, while clean blending and a second gain stage keep every note defined.

Use the Mix control to restore exactly as much dry signal as the part requires, from full distortion to parallel grit with a solid fundamental. The dedicated HIGH GAIN footswitch adds instant saturation for heavier sections and lead moments. Clickless switching and programmable startup states make the Rattler Bass as stage-friendly as it is expressive.

Rattler Bass details

Custom discrete op-amp
A proprietary discrete-component design preserves the open, dynamic and tube-amp-like response associated with the discontinued LM308.

Clean blend
Mix sets the ratio of clean and distorted signals, retaining low-end impact and note definition at heavier
gain settings.

Footswitchable high gain
The left footswitch activates a higher-gain stage for instant bursts of added saturation.

Controls and startup

  • Level sets output, Gain controls saturation, Tone shapes the response and Mix blends clean and distorted signals.
  • Effect and high-gain startup states can be saved independently by reconnecting power while holding the corresponding footswitch.

Rattler Bass specifications

  • Bypass: true bypass
  • Power: 9V DC, centre-negative
  • Current draw: 40 mA
  • Dimensions including jacks and controls: 7.5 x 12 x 5.6 cm / 2.9 x 4.7 x 2.2 in
  • Weight: 280 g / 0.6 lb
  • Input impedance: 500 kΩ
  • Output impedance: <10 kΩ

Rattler Bass's Manual

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rattler bass
rattler bass

Rattler Bass

€259,00
€259,00
Testimonials

Artists using this pedal

Bass players

Jonathan Maron

View artist's page

"The Rattler bass is a super flexible and great sounding distortion pedal for bass. The tone control and the clean blend allow you to shape sounds for a wide variety of situations. Throughout the full range of this pedal, from subtle to loud angry distortion, the Rattler always delivers a sound that is inspiring and musical"
Bass players

Justin Meldal-Johnsen (Beck, Nine Inch Nails, St. Vincent)

View artist's page

"With the Rattler Bass, I feel like I've finally got a real ratty tone with some excellent modern provisions like a mix control, a switchable secondary gain stage, and an overall lower noise floor. This might be sacrilege, but I frankly prefer the tone of this to my old OG pedal. Whoops! Good job Jam team!"

Videos

See It In Action

AMAZING BASS DISTORTION - The Rattler by Jam Pedals!

Thick & Crunchy Distortion! - Jam Pedals Rattler [Demo]

JAM PEDALS // Analog, Handmade, Hand-Painted from Athens, Greece

GR Jam Pedals Rattler - Bass Demo

Jam Pedals Rattler - Bass Demo

Custom artwork versions in stock

Same sound, different artwork

  • “achenbach” rattler bass mk.2 “achenbach” rattler bass mk.2

    “Achenbach” Rattler Bass mk.2

    €349,00
    €349,00
  • “Relic” Rattler Bass “Relic” Rattler Bass

    “Relic” Rattler Bass

    BASS DISTORTION
    €0,00
    €0,00

Designed by musicians, for musicians.

From vintage-inspired classics to boundary-pushing analog designs, each JAM pedal is crafted with care to inspire your sound and spark your creativity.
Designed by musicians, for musicians.

JAM pedals began in 2005, when guitarist and sonic explorer Jannis Anastasakis set out to build pedals that didn’t just sound good, they sounded alive. What started as a one-man workshop in Athens has grown into a passionate team of builders, artists, and musicians who still make every pedal by hand, one at a time.

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