Universal Audio Ruby '63 Top Boost Amplifier Pedal

If you love iconic British valve amp tones, place the UAFX Ruby '63 Top Boost Amplifier pedal on your board and relive the British invasion. Ruby captures the true essence of a legendary amp used by Queen, US, Radiohead, and more. Powered by advanced dual-engine processing and UAD modeling expertise, this effects pedal delivers pristine cleans, dynamic overdrive, and vintage vibrato, replicating the distinctive sound of a vintage tube combo amplifier with unparalleled authenticity. Whether you're performing live or recording tracks, Ruby '63 replaces your amp rig, allowing you to dial up vintage tones in seconds. With three channels—Normal, Brilliant, and Vibrato—plus built-in classic boosts like the '60s Dallas Rangemaster germanium treble booster and the '70s Maestro EP-3 tape delay preamp, this pedal offers a versatile range of sounds from mellow to chime to grind, all at your fingertips. Enhance your tone even further with the UAFX Control mobile app, where you can access custom artist tones, manage presets, and explore the rich heritage of the amplifier that ignited the British Invasion.

Universal Audio Ruby '63 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

Universal Audio Ruby '63 Specifications:

• Power requirements, (power supply sold separately): Isolated 9VDC, center-negative, 400mA minimum
• Inputs: 2 x ¼” unbalanced TS (input 2 for stereo connections and 4-cable mode)
• Outputs: 2 x ¼” unbalanced TS (output 2 for stereo connections and 4-cable mode)
• Input impedance
• 500 Kilohms (Mono In)
• 1 Megohms (Stereo In)
• Output impedance: 500 Ohms
• Maximum input level: 12.2 dBu
• Maximum output level: 12.1 dBu
• Frequency response: 20 Hz to 20 kHz, ±1 dB
• USB Type-C: For registration and firmware updates via computer
• Wireless technology: Bluetooth v5
• Transmitted Frequency Range: 2.400 GHz – 2.4835 GHz
• Maximum Output Power: +4.35 dBm
• Dimensions, (with knobs and protrusions)
• Height: 2.56 inches, 6.5 cm
• Width: 3.62 inches, 9.2 cm
• Depth: 5.55 inches, 14.1 cm
• Weight (unboxed)
  • 1.24 lbs
  • 0.567 kg