Universal Audio UAFX Ruby '63 Top Boost Amplifier Pedal
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UAFX Ruby '63 Top Boost Amplifier
Stereo amp and cabinet emulation pedal with vibrato, room modeling, multiple speakers, cabinets, and boosts, live and preset modes, and customization with the UAFX mobile app.
Get the British Invasion tones that inspired generations.
The UAFX Ruby '63 Top Boost Amplifier pedal gives you the quintessential British valve amp beloved by artists and producers for over 60 years, from Queen to U2 to Radiohead.
Built on powerful dual-engine processing and world-class UAD modeling, Ruby '63 delivers choirboy cleans, complex overdrive, and classic vibrato.
Deliver British Tube Amp Tones, 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 — Ruby '63 gives you the inspiring, album-ready tones of an expertly miked "golden unit" vintage tube combo, within seconds.
Explore Normal, Brilliant, and Vibrato Channels
Ruby '63 is the only stompbox that gives you the Normal, Brilliant, and Vibrato channels from the original amp — so you can fly to Ireland, London, or Liverpool with the flip of a switch. From mellow to chime to grind, it's all here.
Push the Limit with Classic UK Boosts
Ruby '63 packs classic boosts, right onboard. Namely, the legendary '60s Dallas Rangemaster germanium treble booster and the preamp of a '70s Maestro EP-3 tape delay. Just flip the Boost switch for searing layered tones that put IR-based amp modelers in the bin.*
Take Your Tone to the Tailor
With built-in mic and speaker pairings from UA’s award-winning OX Amp Top Box, Ruby '63 lets you tailor your classic Brit amp tones like you took them to Savile Row.
2x12 Speaker Models
● SILVER: Rare 15W Celestion Silver Bulldogs
● BLUE: Original Celestion Blue Bulldogs
● GREEN: Modern Celestion G12Hs
Free Additional Speaker Cabinet Models
(Get with the UAFX Control app)
● 1x12 AC15 cab with Blue Bulldog
● 2x12 Matchless cab with Celestion G12Hs
● 2x12 Two-Rock cab with Celestion Golds
* Product names used herein are trademarks of their respective owners, which are in no way affiliated with Universal Audio Inc. These name(s) are used solely to identify products studied in the creation of the sound models found in Ruby '63 Top Boost Amplifier.
Customize your Sound with the UAFX App
Ruby '63 really gets cracking with the UAFX Control mobile app. Download custom artist tones, recall and archive your presets, and dive deeper into the amp that ignited the British Invasion.
● 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
● 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)