The Foxgear Knee Trembler Guy Prat Signature Tremolo is a Foxgear tremolo pedal, currently around $69. Close alternatives include the Foxgear Pedals Knee Trembler Guy Pratt Signature and the Mooer Trelicopter. It pairs well with the Fender Bassman Combo Amp and the 1959 Fender Tweed Deluxe.
Foxgear Knee Trembler Guy Prat Signature Tremolo
Foxgear · pedal
The Foxgear Knee Trembler is an optical tremolo pedal from Italian manufacturer Foxgear, featuring the signature of Guy Pratt (bassist for Pink Floyd), delivering smooth, musical optical tremolo with Rate, Depth, and a Waveform selector for sine and square wave tremolo. The signature association with Guy Pratt connects the pedal to the vintage, musical tremolo used in classic rock and prog rock contexts.
What stands out
“The Foxgear Knee Trembler delivers optical tremolo with waveform selection and Guy Pratt signature for smooth, musical tremolo character suited for classic rock, prog, and ambient players who want optical tremolo at Italian Foxgear quality …”
— from the community notes
“delivering smooth”
— from the listing
“The signature association with Guy Pratt connects the pedal to the vintage, musical tremolo used in classic rock and prog rock contexts”
— from the listing
“Italian Foxgear quality construction”
— from the reviews
“Limitations: Mid-range Italian Foxgear quality ceiling below boutique optical tremolo designs”
— from the reviews
Trade-offs
“its standout weakness is the mid-range quality ceiling and foxgear pricing”
— from the community notes
“In the signal chain tremolo sits after drive”
— from the community notes
- optical tremolo
- classic rock
- smooth
- musical
- prog rock
- vintage
- ambient
- prog
Price updated Oct 24, 2026
Genres the Foxgear Knee Trembler Guy Prat Signature Tremolo is commonly used in
- Classic Rock
- Ambient
Amps that pair well with the Foxgear Knee Trembler Guy Prat Signature Tremolo
Fender Bassman Combo Amp
amplifier
11% matchFender Bassman Combo Amp's crunchy voice suits Foxgear Knee Trembler Guy Prat Signature Tremolo's own smooth character
Comes later in the signal chain
1959 Fender Tweed Deluxe
Fender
11% match1959 Fender Tweed Deluxe's own transparent character is the real reason this is worth trying
Comes later in the signal chain
Pedals that stack with the Foxgear Knee Trembler Guy Prat Signature Tremolo
Paul Cochrane Timmy
Paul Cochrane
8% matchWhat Paul Cochrane Timmy brings here leans toward transparent — that's worth building a pairing around
Comes earlier in the signal chain
Fulltone OCD
Fulltone
8% matchFulltone OCD's own full character is the real reason this is worth trying
Comes earlier in the signal chain
Carl Martin Headroom
Carl Martin
6% matchPut Carl Martin Headroom after Foxgear Knee Trembler Guy Prat Signature Tremolo in the signal chain, where it won't crowd Foxgear Knee Trembler Guy Prat Signature Tremolo — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Catalinbread Cloak
Catalinbread
6% matchKeep Foxgear Knee Trembler Guy Prat Signature Tremolo's smooth voice out front: Catalinbread Cloak goes after Foxgear Knee Trembler Guy Prat Signature Tremolo in the signal chain so its shimmer voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Cheaper alternatives
Boutique & premium upgrades
J. Rockett Mr Moto
J Rockett
63% similarityShared character: smooth, vintage charm, classic rock
Dophix Galileo Optical Tremolo
Dophix
61% similarityShared character: smooth, vintage charm, overdrive
Mad Professor Mellow Yellow Tremolo
Mad Professor
61% similarityShared character: smooth, vintage charm, overdrive
Mu-Tron Tremu-Tron Optical Tremolo
Mu Tron
57% similarityShared character: smooth, overdrive
Universal Audio Flow Tremolo
Universal Audio
56% similarityShared character: middle, smooth, vintage charm
JHS Tidewater Tremolo
JHS Pedals
51% similarityShared character: smooth, vintage charm, classic rock
Similar charactersee all similar tone character →
Foxgear Pedals Knee Trembler Guy Pratt Signature
Foxgear
68% similarityShared character: ambient, middle, smooth
Mooer Trelicopter
Mooer
65% similarityShared character: smooth, vintage charm
Red Witch Seven Sisters Eve Tremolo
Red Witch
63% similarityShared character: smooth, vintage charm, classic rock
Dunlop Blue Hippo Optical Tremolo
Dunlop
59% similarityShared character: smooth, vintage charm, classic rock
Carl Martin Surf Trem V3
Carl Martin
58% similarityShared character: smooth, vintage charm
BBE Tremor V2
Bbe
57% similarityShared character: smooth, vintage charm, overdrive
See all alternatives to the Foxgear Knee Trembler Guy Prat Signature Tremolo (cheaper + boutique) →
Questions people ask
What are good alternatives to the Foxgear Knee Trembler Guy Prat Signature Tremolo?+
The closest matches in character are the Foxgear Pedals Knee Trembler Guy Pratt Signature, the Mooer Trelicopter, the Red Witch Seven Sisters Eve Tremolo. Budget picks: Electro-Harmonix Nano Small Stone v2, Arcade Audio Cheat Code. Boutique upgrades: J. Rockett Mr Moto, Dophix Galileo Optical Tremolo, Mad Professor Mellow Yellow Tremolo.
What pairs well with the Foxgear Knee Trembler Guy Prat Signature Tremolo?+
Strong matches from rig and tone-complementarity evidence: Fender Bassman Combo Amp, 1959 Fender Tweed Deluxe, Paul Cochrane Timmy — Fender Bassman Combo Amp's crunchy voice suits Foxgear Knee Trembler Guy Prat Signature Tremolo's own smooth character.
How much does the Foxgear Knee Trembler Guy Prat Signature Tremolo cost?+
Around $69 (live listing price, updated Oct 24, 2026).
Compare
- vs Arcade Audio Cheat Code
- vs JAM Pedals Harmonious Monk Tremolo
- vs Electro-Harmonix Pulsar Variable Speed Tremolo