Universal Audio UAFX Woodrow '55 Instrument Amplifier is a compact pedal that models the legendary mid-'50s American Tweed tube combo amp, delivering authentic tones straight from the birth of electric guitar. The powerful dual UAFX engine with OX Amp Top Box modeling provides world-class 12" speaker, cabinet, mic, and room sounds for instant studio-quality guitar tones. Dual-channel design with Instrument and Mic Volume controls offers everything from pristine cleans to saturated overdrive, enhanced by powerful boost and Tone shaping.
The Woodrow '55 features 3 mini-switches for speaker cab selection, boost types, and preset/live modes, while the UAFX Control app via Bluetooth unlocks artist presets, additional cabs, and mics. Stereo I/O with 4-cable method, true/buffered bypass, and USB-C firmware updates make it versatile for stage and studio use. Perfect for guitarists seeking classic Tweed tones in a pedalboard-friendly format without compromises.
KEY FEATURES
- Tweed '50s tube combo modeling (dual UAFX engine)
- 12" speaker models (Celestion Blue, Greenback, Vintage 10")
- OX Amp Top Box room reverb modeling
- Dual channels: Instrument (bright/aggressive), Mic (dark/deep)
- Boost with 3 types: Classic, Transparent, Mid
- 3 mini-switches: Speaker Cab, Boost Type, Preset/Live
- Stereo I/O + 4-cable method for maximum flexibility
- UAFX Control app (Bluetooth) with artist presets
- Live/Preset modes with footswitches, 4 preset memory
- USB-C for updates/registration (free extra cabs/mics)
TECHNICAL SPECIFICATIONS
- Inputs: 2 x 1/4" TS (Input 2 for stereo/4-cable)
- Outputs: 2 x 1/4" TS (Output 2 for stereo/4-cable)
- Input Impedance: 500 kOhm (mono) / 1 MOhm (stereo)
- Output Impedance: 500 Ohm
- Max Input Level: +12.2 dBu
- Max Output Level: +12.1 dBu
- Frequency Response: 20 Hz – 20 kHz (±1 dB)
- Power: 9V DC center-negative (min. 400 mA)
- Bluetooth: v5 (app control)
- USB: Type-C (firmware updates)
- Dimensions: 148 x 92 x 65 mm (with knobs)
- Weight: 567 g
- Bypass: True/Buffered (app switchable)