Walrus Audio Fathom User Manual
fathom
multi-function reverb
OUTPUT JACK
1/4 inch cable to amplier.
9V JACK
9-volt DC, Center Negative,
100ma min.
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. Featuring four main algorithms, Hall, Plate, Lo-Fi, and
Sonar, the Fathom can cover some serious ground in the world of
reverb. The Hall algorithm is wide, open and vast with decay that
ends with high-frequency rolloff. Plate uses a fully body reverb
with a smooth decay. Lo-Fi is a ltered reverb with decay ranging
from warm, to thin AM-sounding radio. Sonar is reverb fed with
both a high & low octave with the ability to blend the octaves with
the X knob. With other features like our smart bypass switching,
and sustain mode, the Fathom provides endless creative
opportunities.
DAMPEN
INPUT JACK
1/4 inch cable from instrument.
Controls the overall tone on the decay.
Turning this knob clockwise will darken
the reverb decay. Counterclockwise will
open the lter and brighten the decay.
Controls the length of the reverb.
The X knob changes functions
depending on which Algorithm
(Program knob) you are using.
Hall - pre-delay.
Plate - pre-delay.
Toggle between Low, Medium and
In Sonar mode, Low turns off
Lo-Fi - Filter width.
Sonar - Blend low
& High octaves. See
details below.
High modulation settings.
modulation.
BYPASS LED
Illuminated when the effect is on.
BYPASS SWITCH
Turns the effect on and off.
It also features our smart bypass
switching. (See Below)
DECAY
MOD
MIX
Rotate clockwise to increase the
amount of reverb. The white line at
2 o’clock represents equal parts dry
and reverb.
X
PROGRAM
Selects which algorithm is used to
generate the reverb signal.
Hall - Wide, open and vast with decay
that ends with high-frequency rolloff.
Plate - Full body reverb with a
smooth decay.
Lo- - Filtered reverb with decay
ranging from warm, to thin AMsounding radio.
Sonar - Reverb fed with both a high
and low octave with the ability to blend
the octaves with the X knob.
SUSTAIN SWITCH
Press and hold while the pedal is
on to sustain the reverb decay for
a dreamy ambient decrescendo.
Create unique blends of low and high
octaves in sonar mode. Use the X knob
to change octave amounts. With the
knob at noon, there is equal parts low
and high octave. Rotate left for lower
octave and right for higher octave.
MOMENTARY FUNCTIONSSONAR MODE TRAILS MODE
BYPASS SWITCH
When the switch is in off position,
press and hold to temporarily activate
the effect to add a moment of reverb
texture. Releasing the switch turns the
effect off.
The Fathom can be run in trails or no trails mode. In trails
mode, when you turn the pedal off, the reverb decay dies
off naturally. In no trails mode, the decay is abruptly cut
off when you turn the pedal off. To toggle between either
mode, hold down the bypass switch for 2 seconds while
applying power to the pedal. Unplug power and repeat to
toggle to the other mode.
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