Universal Audio UAFX Woodrow '55

Experience raw tube tones from the birth 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 world-class UAD modeling, Woodrow '55 packs sweet cleans, rich overdrive, and grungy distortion.

Deliver 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.

Put a Hot-Rodded Amp on Your Pedalboard

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.

Get the Authentic Tweed Amp Tones that Started it All 

With classic mic and speaker combos straight out of UA’s award-winning OX Amp Top Box, Woodrow ‘55 lets you tailor professional studio guitar sounds, instantly.

12" Combo Speaker Models

- BLU15: 15W Celestion Blue

- JP12: Stock Jensen P12R

- GB25: 25W Celestion Greenback

Free Additional Speaker Cabinet Models

(Get with the UAFX Control app) 

- Marshall 4x12 with Celestion V30 speakers

- Fender 4x10 Bassman cab with Jensen P10R speakers

- Fender 1x12 cab with vintage JBL D-120F speaker

Customize your Tones 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.

Key Features:

- Powerful UAFX dual-engine delivers the most authentic mid-'50s American 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" boosts, classic speaker swaps, plus free additional downloadable 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 presets, unlock additional features, download artist presets, and more 

- Timeless UA design and craftsmanship, built to last decades

Specifications

- Power requirements: Isolated 9VDC, center-negative, 400 mA minimum (sold separately)

- Inputs: 2 x ¼” TS (right input for stereo connections and 4-cable mode)

- Outputs: 2 x ¼” TS (right output for stereo connections and 4-cable mode)

- USB Type-C for updates via computer

- Height: 2.56” (6.5 cm)

- Width: 3.62” (9.2 cm)

- Depth: 5.55” (14.1 cm)

- Weight: 1.24 lbs (0.567 kg)