Walrus Audio Fundamental Series Chorus Pedal

Walrus Audio Fundamental Series Chorus 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 Chorus

The Fundamental Chorus is a digital emulation of a classic analogue chorus, recreating bucket brigade modulation. With 3 types of chorus algorithms to select from, you can enjoy sounds ranging from gentle modulation to 80's tri-chorus.

Designed and assembled at Walrus Audio headquarters in Oklahoma City, Oklahoma.

Key Features

  • Chorus customisation – Allows you to change between 3 different flavours of the pedal:
  1. Light – Emulates a traditional analog chorus.
  2. Medium – Adds multiple taps to further modulate a classic chorus.
  3. Heavy – Emulates a classic Eighties effect, the LCR tri-chorus.
  • Bypass Switch – Turns the effect on and off. Hold down to engage tap mode. Hold down again to disengage tap mode.
  • Bypass LED - Illuminated when the effect is engaged, and will blink with tapped tempo when tap mode is engaged.
  • Trails Modes – Hold down the stomp switch when applying power to the pedal.


  • Rate: Control the rate.
  • Depth: Control the depth.
  • Mix: Control the mix of the effect and the original clean signal.
  • Input Jack: 1/4-inch cable from instrument.
  • Output Jack: 1/4-inch cable to amplifier.
  • 9v Jack: 9-volt DC, Center Negative, 100mA min. (Not included)