The Walrus Audio Fathom is a Walrus Audio reverb pedal, currently around $188.50. Close alternatives include the Strymon Cloudburst and the J. Rockett Aqueous. It pairs well with the Swart MOD 84 and the Marshall Plexi 1959SLP.
Walrus Audio Fathom
Walrus Audio · pedal
The Walrus Audio Fathom is a multi-algorithm reverb from Walrus Audio (Oklahoma City, USA), delivering four reverb types — Hall, Plate, Reverse, and Lo-Fi — with a Damp knob, Mod control for modulated reverb tails, and lush ambient reach from small room to long modulated trails.
- ambient
- reverb
- modulation
- studio
- lush
- walrus audio fathom
- four algorithms
Good for
- Live
- Studio
- Worship
Price updated Aug 26, 2026
Genres the Walrus Audio Fathom is commonly used in
- Ambient
- Classic Rock
- Lo-Fi
- Post Rock
cited
Inferred from shared tonal signals, not a stated genre tag. - Shoegaze
cited
Inferred from shared tonal signals, not a stated genre tag. - Experimental
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the Walrus Audio Fathom
Swart MOD 84
Swart
20% matchRun the Fathom's modulated reverb tails in the MOD 84's loop, after the amp's own tremolo, not stacked underneath it.
Marshall Plexi 1959SLP
amplifier
17% matchLet the Fathom's lush ambient reverb trail the 1959SLP's aggressive plexi saturation for depth on sustained leads.
Dumble Overdrive Special Amp Head
Dumble
16% matchThe Dumble's responsive, transformer-driven blues breakup gives the Fathom's lush, studio-grade ambient reverb a genuinely legendary amp voice to swell into.
Mesa Boogie Rectifier Badlander EL34/50 1x12 Combo
Mesa Boogie
15% matchFathom's lush, modulated reverb tails belong in the Badlander's loop, layered after the amp's own tight, high-gain crunch rather than in front of it.
EVH 000
Evh
15% matchWalrus Audio Fathom's ambient voice goes in EVH 000's effects loop — it's not there to compete with EVH 000's own high gain character
Engl Victor Smolski Limited Edition
Engl
15% matchWalrus Audio Fathom's ambient voice goes in Engl Victor Smolski Limited Edition's effects loop — it's not there to compete with Engl Victor Smolski Limited Edition's own transparent character
Bogner Uberschall 120-Watt Tube Guitar Amp Head
Bogner
15% matchWalrus Audio Fathom's ambient voice goes in Bogner Uberschall 120-Watt Tube Guitar Amp Head's effects loop — it's not there to compete with Bogner Uberschall 120-Watt Tube Guitar Amp Head's own high gain character
Hughes & Kettner Coreblade
Hughes & Kettner
15% matchKeep Walrus Audio Fathom in Hughes & Kettner Coreblade's effects loop, clear of Hughes & Kettner Coreblade's own gain stage
Pedals that stack with the Walrus Audio Fathom
Heavy Metal FX HMFX Phase Riot Factory Second
Heavy Metal Fx
23% matchKeep Walrus Audio Fathom after Heavy Metal FX HMFX Phase Riot Factory Second in the signal chain, clear of Heavy Metal FX HMFX Phase Riot Factory Second's own gain stage
MXR ZW90 Wylde Phase
MXR
23% matchKeep MXR ZW90 Wylde Phase's modulated voice out front: Walrus Audio Fathom goes after MXR ZW90 Wylde Phase in the signal chain so its ambient voice doesn't muddy it
Pigtronix Octava Micro
Pigtronix
20% matchKeep the Fathom after the Octava Micro — the searing, ring-modulated octave fuzz stays thick and the ambient, studio-grade reverb washes out behind it.
Friedman IR-X
Friedman
19% matchKeep the Fathom after the IR-X — the studio-grade high-gain DI tone stays defined and the ambient reverb just washes out behind it.
Boss ODB-3
Boss
18% matchPut the Fathom's lush, modulated reverb tails after the ODB-3's fundamental-heavy bass grit, so the low end stays defined before it blooms.
Fulltone OCD V2
Fulltone
18% matchPut Walrus Audio Fathom after Fulltone OCD V2 in the signal chain, clear of Fulltone OCD V2's own gain stage
Horizon Devices Apex Preamp
Horizon Devices
18% matchPut Walrus Audio Fathom after Horizon Devices Apex Preamp in the signal chain, clear of Horizon Devices Apex Preamp's own gain stage
JHS Angry Charlie
JHS Pedals
18% matchKeep the Fathom after the Angry Charlie — the rock crunch stays defined and the ambient, studio-grade reverb just washes out behind it.
Cheaper alternatives
Walrus Audio Fundamental Ambient
Walrus Audio
70% similarity“lacking the algorithm depth of the Fable or Fathom”
Hungry Robot The Borderland
Hungry Robot
69% similarityShared character: modulation, pedal, ambient
TC Electronic Hall of Fame Reverb
TC Electronic
68% similarityShared character: ambient, reverb
Laney Secret Path
Laney
68% similarityShared character: modulation, pedal, ambient
TC Electronic Hall of Fame 2
TC Electronic
68% similarityShared character: ambient, reverb
Mooer Modverb
Mooer
95% similaritysimilar tone character
Boutique & premium upgrades
Hungry Robot The Borderland Modulated Ambient Reverb
Hungry Robot
70% similarityShared character: modulation, pedal, ambient
GFI System Skylar
Gfi System
94% similaritysimilar tone character
Electronic Audio Experiments Mirror House V2
Electronic Audio Experiments
92% similaritysimilar tone character
EarthQuaker Devices Towers
EarthQuaker Devices
92% similaritysimilar tone character
Walrus Audio Descent
Walrus Audio
92% similaritysimilar tone character
Similar charactersee all similar tone character →
Strymon Cloudburst
Strymon
69% similarityShared character: modulation, ambient, reverb
J. Rockett Aqueous
J Rockett
69% similarityShared character: modulation, ambient, studio
Old Blood Noise Endeavors Procession
Old Blood Noise Endeavors
94% similaritysimilar tone character
Fuzzrocious Afterlife
Fuzzrocious
94% similaritysimilar tone character
Source Audio Ventris
Source Audio
93% similaritysimilar tone character
EarthQuaker Devices Ghost Echo V3
EarthQuaker Devices
92% similaritysimilar tone character
See all alternatives to the Walrus Audio Fathom (cheaper + boutique) →
Questions people ask
What are good alternatives to the Walrus Audio Fathom?+
The closest matches in character are the Strymon Cloudburst, the J. Rockett Aqueous, the Old Blood Noise Endeavors Procession. Budget picks: Walrus Audio Fundamental Ambient, Hungry Robot The Borderland, TC Electronic Hall of Fame Reverb. Boutique upgrades: Hungry Robot The Borderland Modulated Ambient Reverb, GFI System Skylar, Electronic Audio Experiments Mirror House V2.
What pairs well with the Walrus Audio Fathom?+
Strong matches from rig and tone-complementarity evidence: Swart MOD 84, Marshall Plexi 1959SLP, Dumble Overdrive Special Amp Head — Run the Fathom's modulated reverb tails in the MOD 84's loop, after the amp's own tremolo, not stacked underneath it..
How much does the Walrus Audio Fathom cost?+
Around $188.50 (live listing price, updated Aug 26, 2026).