The Walrus Audio Slö Multi-Texture Reverb is a highly creative ambient reverb pedal designed for players who want to go far beyond conventional room, hall or spring sounds.

Built around three distinctive algorithms — Dark, Rise and Dream — the Slö can move from deep octave-infused ambience through slow cinematic swells to huge sustained pad-like textures.

Its extensive modulation controls, alternate wave shapes and dedicated Sustain footswitch make it especially well suited to ambient guitar, post-rock, worship, experimental music and studio sound design.

This Pre-Owned example is in Very Good condition.

No power supply is included.

AT A GLANCE

Detail	Specification
Brand	Walrus Audio
Model	Slö
Effect Type	Multi-Texture / Ambient Reverb
Algorithms	Dark, Rise, Dream
Modulation	Yes
Sustain Function	Yes
Power	9V DC
Condition	Very Good / Pre-Owned
Power Supply	Not Included

PRE-OWNED CONDITION REPORT

This is a Pre-Owned Walrus Audio Slö Multi-Texture Reverb in Very Good condition.

The Very Good condition grade reflects some light cosmetic signs of previous use consistent with careful ownership while remaining fully functional and ready to use.

Please study the photographs carefully for the exact cosmetic condition of this individual pedal.

No power supply is included.

KEY FEATURES

• Walrus Audio Slö Multi-Texture Reverb

• Three ambient reverb algorithms

• Dark mode

• Rise mode

• Dream mode

• Decay control

• Filter control

• Mix control

• Modulation Depth control

• Mode-dependent X control

• Sustain footswitch

• Selectable modulation wave shapes

• Adjustable modulation speed

• Sine modulation

• Warp modulation

• Sink modulation

• Octave-down ambient textures

• Swell-style reverb

• Sustained pad effects

• 9V DC operation

• Very Good Pre-Owned condition

• No power supply included

WHY YOU’LL LOVE IT

The Slö is designed around atmosphere rather than conventional reverb realism.

Each of its three modes behaves very differently, allowing the pedal to cover deep cinematic drones, slow-moving swells and huge sustained textures without requiring a large multi-effects unit.

It is particularly effective when combined with delay, volume swells and clean or lightly driven guitar tones.

DETAILED FEATURES & BENEFITS

Dark Mode

Dark mode adds a lower-octave element to the reverb.

This creates deep, brooding textures that work particularly well for ambient playing, drones and cinematic soundscapes.

The X control adjusts the level or character of the lower-octave component within the reverb texture.

Rise Mode

Rise mode creates a slow swell into the reverb.

Rather than the effect appearing immediately, the wet signal fades in gradually, creating a smooth and atmospheric attack.

This works especially well for:

• Volume-swell style passages

• Ambient chords

• Slow lead lines

• Post-rock textures

• Cinematic sound design

Dream Mode

Dream mode produces a large, lush reverb designed for expansive ambient textures.

In this mode, the Sustain footswitch can latch the current reverb decay into a long pad-like layer, allowing the player to perform over the top of the sustained sound.

SUSTAIN FOOTSWITCH

The Slö includes a dedicated Sustain footswitch.

Its behaviour changes depending on the selected algorithm.

In Dream mode, it can latch the existing reverb decay into a sustained pad, making it particularly useful for drones and layered ambient playing.

MODULATION

The Slö includes built-in modulation to add movement to the reverb.

Modulation depth is adjusted from the main control panel, while deeper functions allow the modulation speed and waveform to be changed.

This gives the effect considerably more movement and character than a conventional static reverb.

THREE MODULATION WAVE SHAPES

The Slö provides three selectable modulation wave shapes:

• Sine

• Warp

• Sink

These change the way the pitch and movement of the reverb evolve over time.

This allows everything from smooth modulation to more unusual and asymmetrical movement.

ADJUSTABLE MODULATION SPEED

Holding the bypass footswitch while adjusting the modulation Depth control allows the modulation rate to be changed.

This provides another layer of control over how quickly the reverb texture moves.

DECAY CONTROL

The Decay control determines how long the reverb continues.

Lower settings provide a tighter ambience, while higher settings create very long, atmospheric trails.

FILTER CONTROL

The Filter control adjusts the tonal balance of the wet signal.

This allows the reverb to be darkened and pushed behind the dry guitar or brightened for a more present and detailed texture.

MIX CONTROL

The Mix control adjusts the balance between dry and effected signal.

Lower settings keep the original guitar prominent, while higher settings move further into ambient and washed-out territory.

X CONTROL

The function of the X control changes depending on the selected algorithm.

This provides additional algorithm-specific shaping without overcomplicating the main control layout.

WHO IS IT FOR?

The Walrus Audio Slö is particularly well suited to:

• Ambient guitarists

• Post-rock players

• Worship musicians

• Experimental players

• Shoegaze guitarists

• Studio musicians

• Sound designers

• Players creating drone and pad textures

• Guitarists wanting more than conventional reverb

PLAYING STYLES & APPLICATIONS

The Slö works particularly well for:

• Ambient

• Post-rock

• Shoegaze

• Alternative

• Worship

• Cinematic music

• Experimental guitar

• Slow lead work

• Drones

• Pad textures

• Studio sound design

• Live performance

HOW IT COMPARES

Slö vs Conventional Reverb

A conventional reverb pedal may focus on spring, plate, room or hall simulations.

The Slö is designed around creative ambient textures, with octave processing, swelling reverb and sustained pads.

Slö vs Walrus Fathom

The Fathom focuses more on traditional and broadly usable reverb types.

The Slö is more specialised towards ambient and experimental textures.

Slö vs Slöer

The Slöer expands the concept into a larger stereo platform with additional algorithms and deeper control.

The original Slö remains a compact and straightforward option for players who want the core Dark, Rise and Dream sounds.

PRODUCT SPECIFICATIONS

Specification	Details
Product Type	Reverb Effects Pedal
Brand	Walrus Audio
Model	Slö
Effect Type	Multi-Texture / Ambient Reverb
Algorithms	Dark, Rise, Dream
Main Controls	Decay, Filter, Mix, Depth, X
Modulation	Yes
Modulation Waveforms	Sine, Warp, Sink
Sustain Footswitch	Yes
Input	1/4"
Output	1/4"
Power	9V DC
Recommended Supply	Regulated Isolated Supply
Condition	Very Good / Pre-Owned
Power Supply	Not Included

POWER REQUIREMENTS

The Walrus Audio Slö requires a suitable 9V DC pedal power supply.

Walrus Audio recommends the use of an isolated regulated power supply.

No power supply is included with this Pre-Owned pedal.

FAIR DEAL MUSIC EXPERT VERDICT ★★★★★

Best suited for: Players wanting creative ambient reverb, cinematic textures and sustained atmospheric layers rather than conventional room-style ambience.

Customers usually upgrade from: Basic digital reverb pedals, compact ambient reverbs and multi-effects units with limited texture control.

Most commonly paired with: Delay, volume pedals, modulation, overdrive and clean stereo or high-headroom amplifier rigs.

Our tip: Start with Dream mode and lower Mix settings, then experiment with the Sustain footswitch. Once you understand how the pad behaves, Dark and Rise modes become much easier to integrate into a song rather than using them only as special effects.

Showroom feedback: The Slö is one of those pedals that encourages you to play differently. The three algorithms are genuinely distinct, and the modulation options make it especially effective for players building layered ambient sounds.

WHY BUY PRE-OWNED FROM FAIR DEAL MUSIC?

Buying a Pre-Owned Walrus Audio Slö is an excellent way to add a distinctive premium ambient reverb to your pedalboard at a more accessible price.

This example is in Very Good condition.

No power supply is included.

WHY BUY FROM FAIR DEAL MUSIC?

When you buy from Fair Deal Music, you're choosing one of the UK's most established, independent family run music retailers since 1987.

Fair Deal Music combines a large Birmingham showroom with nationwide ecommerce and knowledgeable musician-led advice.

Customers benefit from:

• Family-run independent retailer established in 1987

• Birmingham's largest independent music store

• 6,000+ Trustpilot reviews

• Knowledgeable musician-led advice

• Extensive experience with Pre-Owned effects pedals

• Large Birmingham showroom

• Fast UK delivery

• Friendly customer support

• Part-exchange and trade-in service

TRADE IN. TRADE UP. SAVE MORE.

Your current pedals, guitar or other musical equipment could help towards the cost of this Walrus Audio Slö.

Fair Deal Music buys and part-exchanges effects, guitars, basses, amplifiers, keyboards and a wide range of musical equipment.

Contact our team for a no-obligation valuation.

PART EXCHANGE / TRADE-IN

If you already own effects pedals or other musical equipment you are considering replacing, Fair Deal Music can assess them for part exchange.

Trading in can remove the inconvenience of selling privately while allowing the value of your existing gear to go directly towards your next purchase.

FREQUENTLY ASKED QUESTIONS

Is this Walrus Audio Slö used?

Yes. This is a Pre-Owned example in Very Good condition.

What type of effect is it?

Multi-texture ambient reverb.

What algorithms does it have?

Dark, Rise and Dream.

What does Dark mode do?

It adds a lower-octave element to the reverb for deep, brooding textures.

What does Rise mode do?

It creates a slow swelling reverb response.

What does Dream mode do?

It provides a large, lush ambient reverb with pad-like sustain functionality.

Does it have modulation?

Yes.

Can the modulation waveform be changed?

Yes. Sine, Warp and Sink wave shapes are available.

Can the modulation speed be changed?

Yes.

Does it have a sustain function?

Yes. A dedicated Sustain footswitch is provided.

Can it create drone or pad textures?

Yes. Dream mode is particularly well suited to this.

What power supply does it require?

A suitable regulated 9V DC pedal power supply.

Is an isolated supply recommended?

Yes.

Is a power supply included?

No. No power supply is included.

What condition is it in?

It is in Very Good condition.

Can I part-exchange another pedal against it?

Yes. Fair Deal Music considers effects pedals and a wide range of other musical equipment for part exchange.