Universal Audio Woodrow *55 Instrument Amplifier
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Experience raw tube tones from the dawn of electric guitar.
- The UAFX Woodrow '55 Instrument Amplifier pedal gives you the legendary American tweed tube amp sounds used by artists and producers for decades, from The Eagles to Chuck Berry to Neil Young.
- Built on powerful dual-engine processing and UAD modeling expertise, the Woodrow '55 effects pedal packs sweet cleans, rich overdrive, and grungy distortion.
- Get the best emulation of a mid-'50s American tweed amp ever packed into a pedal
- Go from dapper to dangerous with classic tube tones
- Take world-class studio amp sound anywhere, complete with mic/speaker pairings and preamp boosts
- Download artist tones, customize features, explore presets, and more with UAFX mobile app
TAKE A LISTEN
Experience Perfect Tube Amp Growl, Stage and Studio
Whether it's replacing your amp rig and going direct to front‑of‑house on stage, or recording tracks into your DAW — Woodrow '55 gives you the inspiring, album‑ready tones of an expertly miked "golden unit" vintage tweed amp, within seconds.
Get Hot-Rodded Sounds
Take your rowdy tweed tones further using tried-and-true British speaker swaps and boosts — including preamps from the iconic KORG SDD-3000 rack unit and Maestro EP-3 tape delay — at the flip of a switch.* Only Woodrow '55 puts authentic tube growl and hot‑rod mods under your chucks, docs, or crocs.
Customize your Sound with the UAFX App
Woodrow '55 gets even better with the UAFX Control mobile app. Download custom artist tones, recall and archive your presets, and delve into the tweed amp that started it all.
MANUAL HERE
“The new UAFX Amp Emulator pedals are remarkably faithful to the iconic amplifiers they model, letting me easily add vintage Fender and Vox tones to any session.”
– Tim Pierce (Michael Jackson, Bruce Springsteen)
“The UAFX Amp Emulator pedals are so expressive, it's unreal. They give me more tones than I could ever need, and the app lets me easily recall my presets — all in a perfectly sized stompbox.”
– Justus West (John Legend, Alicia Keys, Ty Dolla $ign)
“UAFX Amp Emulator pedals have become a staple in my studio. Each one is stacked with brilliant sonics that keep me inspired.”
– Tyler Bryant (Tyler Bryant & the Shakedown)
“Just like the real vintage amps, I can crank UAFX Amp Emulators for drive, and use my guitar's volume control for sparkling, three-dimensional clean tones. I put all three on my studio board!”
– David Ryan Harris (John Mayer, Dave Matthews, Santana)
“The rich sound quality of UAFX pedals inspire you to play guitar.”
– Chris Traynor (Bush, Helmet)
“UAFX pedals sound amazing. They're instant inspiration with the right amount of tweakability.”
– Lyle Workman (Beck, Sting)
“I have a lot of old pedals. UAFX pedals give me all those classic sounds, without the hassles.”
– Dave Cobb (Rival Sons, Chris Stapleton, Sturgill Simpson)
“UAFX pedals have truly recreated classic analog effects of the past, and made them better.”
– Butch Walker (Green Day, Weezer, Taylor Swift)
Features
Powerful UAFX dual-engine delivers the most authentic '60s British tube combo sound ever placed into a stompbox
Includes the world's best speaker cabinet, mic, and room tones derived from the award-winning OX Amp Top Box
Features "hot rod" treble booster, preamp boost, and speaker swaps, plus free additional downloadable speaker cabinets and mics upon registration
Bypass cabinet/mic emulations and use in front of your amp for added tonal flavor and overdrive sounds
UAFX mobile app lets you customize footswitches, recall and archive your presets, unlock additional features, download artist presets, and more
Timeless UA design and craftsmanship, built to last decades