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Along with distortion and delay, the wah-wah is part of the “Holy Trinity” of classic guitar effects. Invented by accident in the 1960s, the wah-wah can make a guitar sing, laugh, cry and scream like human being. It’s a powerful effect that’s helped take solos by Hendrix, Clapton and a thousand guitarists since to the highest echelons of classic rockdom. Now, T-Rex is proud to introduce Gull, our own interpretation of the wah-wah legend.


Many of the wah-wah pedals produced over the decades are very different from each other. And then there are related effects – like the underrated (we think) yoy-yoy pedal. When we designed Gull, we wanted to bring you the very best that history has to offer – and then some.

Gull gives you two distinct wah-wah sounds – a light wah that’s great for clean guitars and rhythm parts and a heavy, smoking wah for distorted leads – plus the unique dual-filter yoy-yoy effect. Yoy-yoy is a basically a wah effect with an ultra-high-frequency sweep soaring overhead. It’s an incredibly rich sound.

A classic SLOPE knob lets you shape the character of your wah/yoy sweep, and a BOOST function lets you set a higher volume for your output signal when you kick your Gull into action.


With Gull, we also wanted to address a complaint many guitarists have with traditional wah-wah pedals: their response. Wah-wahs often jump into action at the slightest touch, leaving little room to work the pedal and build up slowly.

Gull addresses this with a special HOTSPOT button that gives you the option of slowing the onset of the effect and using the whole pedal to “wah” with. It makes Gull respond more like a musical instrument than many legacy pedals do.

  • Inspired by the vintage Mercedes 300SL Gull Wing car
  • A truly unique voice that’s still rooted in the classic Vintage Wah’s
  • 3 Wahs in one box - offers a lot of flexibility and options
  • Great boost and voicing control that can help you reshape your sound
  • Hotspot button changes the action of the foot pedal
  • Henrix sound in a briliant design
  • Same color design (Chassis)
  • Gull wings/doors inspiration
  • Knobs same as trip counter
  • Red rubber platform inspired by the Gull wing’s red interior design
  • Curvy, round shapes
  • The pedal is in fact a pedal version of the Gull Wing’s dash board
  • Custom-Made coils (Analogue Filter Parts) / Twin Coils
  • Triple Voice / Wah - Classic - Yoy Yoy
  • Magnetic Field system
  • No Potentiometer = No wear
  • Hotspot Control / Range control
  • Use the full range from up to down; i.e. the option of slowing the onset of the effect and using the pedal's full spectrum to “wah” width!
  • Value-added Effect; i.e. vintage Yoy-Yoy Effect popular in the 70's featuring a double frequency filter multiplying the pedal’s sweep of the peak response of a filter horizontally back and forth in frequency to create this sound
  • input impedence @1 khz-with buffer off: hiegher than 1k ohms
  • output impedence @1 khz : lower than 1k ohms
  • power supply : 9v dc
  • minpower supply : 8v dc
  • max power supply : 12,5v dc
  • current drive @ 9v dc : 40 mA
  • max input signal vp/p : 3vp/p
  • battery type : 9v battery6f22
  • battery life : 4-6
  • external connecter : input jack, output jack, 9v dc jack
  • controls : on/off, boost, slope,wah mode switch
  • pedal size  knob [w*H*D] : 96*85*265 mm/3,8*3,3*10,4 inch 
  • MPN : GULL
  • UPC : 811059010175

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