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Rare Buzz Effects

Rubidium

$129.99

The Rubidium: we returned to our roots with this circuit, using the surplus MPQ2484 chips we’ve had on the shelf since the Cranberry Fuzz era. Reminiscent of a Big Muff Pi sound profile, but with modern improvements for more diverse sound profiles. Solid aluminum knobs, sparkle silver, pink, and purple livery with a pink LED.

2 in stock

The Rubidium is a classically voiced fuzz circuit with modern updates. Rubidium is based on the Supa Tonebender, which itself is based on the earliest version of the Big Muff Pi. At the heart of the circuit is the now-discontinued MPQ2484 quad transistor array – high gain, low noise silicon voicing that gives the circuit a bit more bite. We’ve also added a Scoop control to dial in your mids and a Clipping switch to choose from three distinct voicings. Add these to the traditional Sustain, Tone, and Level controls and Rubidium will no doubt be one of the most dynamic and diverse fuzz pedals in your arsenal. Purple aluminum knobs and pink trim compliment the 1970s themed art, printed on a sparkle silver enclosure.

Controls:

  • Sustain: Adjusting the Sustain control allows more or less of the first gain stage through the rest of the Rubidium.
  • Tone: The Tone control adjusts both a high-pass and low-pass filter, changing the voicing of the effect.
  • Scoop: The Scoop control changes the frequency response of the Tone control. When counter-clockwise, mids will be flat. As the Scoop control is turned clockwise, the mid scoop associated with the BMP circuit is added in.
  • Level: Adjusting this setting changes the final output of the effect.
  • Clip: This switch changes the voicing of Rubidium by swapping the clipping diodes. Left is traditional silicon diodes, Middle is LED clipping, and Right is more compressed, low forward voltage diodes.

Rubidium features true-bypass switching and premium parts. Housed in powder-coated, UV-printed enclosures. Landscape orientation.

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