Walrus audio SLO User Manual

Bypass LED

9 volt DC, Center Neg.

100ma min*

Output Jack

Input Jack

Mode Switch Secondary
Function:
Wave shape selection

Depth knob Secondary
Function:
Modulation Rate

SECONDARY FUNCTIONS – To access the secondary functions, with the
pedal engaged, hold down the bypass switch and use the toggle to select
the desired wave shape, and the depth knob to set the desired rate.
The pedal remembers the wave shape and rate settings for the current
algorithm until the next time they are modified. The pedal also maintains
the algorithm and depth setting when modifying secondary functions.

TRAILS MODE – The Slö can 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 1 second while
applying power to the pedal. Unplug power and repeat to toggle to the
other mode.

FACTORY RESET – To perform a factory reset, hold down the sustain switch
for 1 second while applying power to the pedal. When the LED illuminates,
the wave shape and rate for each algorithm is now set to default. The
default rate for all algorithms is approximately 9 o’clock on the depth
knob. The default wave shape are as follows:
Dark - Sink // Rise - Sine // Dream - Sink.

Bypass Switch/

Secondary Function

*The use of an isolated power supply is recommended for powering all Walrus Audio Pedals.

Daisy chain power supplies are not recommended.

Sustain Switch

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Got questions? Shoot us an email at [e-mail]. Need a repair? All our pedals come

with a limited lifetime warranty. Email [e-mail] should your pedal need a tune up, or visit

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The Slö Multi Texture Reverb allows players to create
lush, modulated, sleepy and ambient soundscapes.
Stocked with three different algorithms specifically
designed to invoke textures for bringing dreams from
your subconscious to reality.

The toggle switch allows three different reverb modes,
Dark (Lower Octave), Rise (Ambient Swell) and Dream
(Latching Pad), while secondary functions on the
switch change between different wave shapes for the
modulation on the reverb trail.

Combine deep modulation with long washy trails and
experience, the Slö.

DECAY – Adjusts the length of the reverb decay. Go from tight short reverb, at
full counter-clockwise, to long drawn out texture at full clockwise.

FILTER – Controls the tone of the reverb decay. Each algorithm includes a
low-pass filter optimized for that unique sound and the knob controls the
filter cutoff frequency. Turn the knob up to open the filter for brighter tones,
and down to close the filter resulting in a darker tone.

MIX – Turn counter-clockwise for increased dry signal, and clockwise for
more reverb. Use the white line to reference approximate equal parts dry
and reverb. Since this point is around 2 o’clock, it gives greater range of
adjustment of your mix ratio below the 50/50 point making it easier to dial in
the perfect amount of reverb.

X – The X knob changes jobs depending on which algorithm is selected.

DARK – Sets the level of a -1 octave signal that feeds the reverb.

RISE – Sets the amount of time it takes the reverb to swell in
after a note is played. Set lower for shorter rise times and higher
for longer rise times.

DREAM – Sets the depth of vibrato applied to the reverb decay.

DEPTH – Controls the amount of modulation applied to the reverb decay. Go
from no modulation, to nightmare inducing pitch bending at high settings.
Secondary Function: Rate - Controls the speed of the modulation applied to
the reverb decay.

ALGORITHM SWITCH – The toggle switch selects one of three onboard reverb
algorithms. Secondary Function: Wave Shape selection.

REVERB MODES: Use the toggle switch to select one of three onboard algorithms.

DARK – Add a lower octave to your reverb trail. Create deep and wide atmospheric
sounds and channel nightmarish soundscapes. X knob sets the level of a -1 octave
signal that feeds the reverb.

RISE – Auto-swell reverb for beautiful cinematic swells. Don’t rush it. Let it breathe and
gently wake up. X knob sets the amount of time it takes the reverb to swell in after a
note is played. Set lower for shorter rise times and higher for longer rise times.

DREAM – Lush reverb with a latching pad function. Press the sustain switch to latch
signal. Experiment with the X knob to add vibrato over the pad. Press sustain again and
pad will decrescendo according to where decay knob is set. X knob sets the depth of
vibrato applied to the reverb trail.

MODULATION WAVE SHAPES:

SINE – Smooth and even pitch up and down modulation.
WARP – Asymmetric pitch up modulation similar to a warped record.
SINK – Asymmetric pitch down modulation for sinking detune similar to a Bigsby.

BYPASS – Turns the effect on and off. It also features our smart bypass switching. 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, and fades it out.

SUSTAIN – When pressed, the decay switch ramps up the reverb trail to maximum
creating long dreamy reverb trail and then ramps back down to the decay knob setting
when released. In the “Dream” algorithm, the sustain switch is latching. Press it once to
capture and sustain the current reverb decay for extremely long pad-like sounds. Press
it again to let the reverb trail taper off, based on the position of the decay knob.