Walrus Audio Fundamental Series Tremolo Pedal

Walrus Audio Fundamental Series Tremolo Pedal

Walrus Audio
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Support a small business by ordering your awesome new Walrus Audio pedal from Southend Music Exchange!

For the Fundamental Series, Walrus Audio have challenged themselves to design a set of pedals with the tonal integrity that’s required to live on a professional’s pedalboard, but with simplified controls friendly enough for even the newest effect pedal users.

Each Fundamental pedal has 3 sliders for tweaking the sound and a three-way switch for changing pedal modes. The result is a line of 8 pedals that will keep you covered from your first band practice, all the way to a sold-out arena.

Fundamental Tremolo

The Fundamental Tremolo is a classic optical tremolo, giving you that iconic chewy movement. With 3 wave shapes to select from, you can get sounds from smooth and soothing to glitchy and crazy.

Key Features

  • Three Oscillator Waveforms – The slide switch allows you to change between 3 distinct oscillator waveforms: Sine, Square, and Random.
  • Bypass Switch: Turns the effect on and off.
  • Bypass LED: Illuminated when the effect is engaged.


  • Rate: The Rate slider sets how fast or slow the LFO is oscillating.
  • Depth: The Depth slider controls the strength of the tremolo effect.
  • Volume: The Volume slider sets the overall output volume of the pedal.
  • Input Jack: 1/4-inch cable from the instrument.
  • Output Jack: 1/4-inch cable to amplifier.
  • 9v Jack: 9-volt DC, Center Negative, 100mA min.