Walrus Audio Fathom - Multi-Function Reverb



Walrus Audio

The Fathom is a feature-rich reverb with 4 different customized reverb algorithms to choose from. Easily go from tasteful, small room reverb to long, modulated trails dripping of ambient goodness. The toggle switch adds options for low, medium and high modulation. Use the dampen knob to fine tune the tone of the reverb's decay.

The Fathom features 4 different algorithms:

  • Hall - Wide, open and vast with decay that ends with high-frequency roll-off. X knob adjusts pre-delay.
  • Plate - Full Body reverb with a smooth decay. X knob adjusts pre-delay.
  • Lo-fi - Filtered reverb with decay ranging from warm to thin AM-sounding radio. X knob adjusts filter width.
  • Sonar -  Reverb fed with both a high and low octave with the ability to blend the octaves with the X knob.

Momentary Functions:

  • When the pedal is in off position, press and hold the Bypass Switch to temporarily activate the effect to add a moment of reverb. Releasing the switch turns the effect off.
  • Press and hold the Sustain Switch while the pedal is on, to sustain the reverb decay for a dreamy ambient decrescendo.

Trails Mode:

  • To turn trails mode on or off, unplug the pedal and press and hold down the Bypass Switch for two seconds while plugging the pedal back in.

Walrus Audio (press release January 15, 2018)

Walrus Audio Fathom Multi-Function Reverb

Oklahoma City, OK Monday, January 15, 2018 - Pedal enthusiasts and message board devotees may remember seeing a prototype image from early 2017 of a new Reverb from Walrus leading to lots of messages and speculation of what we were up to. After a complete art redesign and many more hours of breadboarding, the Fathom Multi-Function Reverb is ready to surface. Easily go from tasteful, small room reverb to long, modulated trails dripping of ambient goodness. Players will find the Fathom a very useful tool in a small footprint under $200.

The Fathom features 4 different algorithms. Hall, Plate, Lo-fi and Sonar, which gives a tip of the hat to its older brother, the Descent with a blendable shimmer/octave. Each algorithm can be modified with the “X” knob changing pre-delay, filter width or mix low and high octaves, respectively. A three way toggle also offers very tasteful amounts of modulation to your trails.

With four custom algorithms, trails mode, sustain momentary function, a small footprint and a sub $200 price point, the Fathom will appeal to players of all genres. 

The Fathom comes in a “Arizona Teal” finish with cream and white ink. Artwork by illustrator Stuart Dooley features a lone one manned sub lost in the chasmic depths searching for the origins of the mysterious Julia.

The die-cast enclosure’s exact size is 4.77” x 2.6” x 1.39”. Power requirements are 9VDC (100mA minimum). 

Walrus Audio is offering The Fathom for a retail price of $199 and is available for pre-order now with an expected release date of January 29, 2017 at walrusaudio.com and with our authorized dealers.


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