Experience quintessential British valve amp tones beloved by legends from Queen to Radiohead with the Universal Audio UAFX Ruby '63 Top Boost Amp Pedal. Enjoy expertly mic'd vintage tube combo sounds with choirboy cleans, overdrive, and classic vibrato.
Deliver British Tube Amp Tones, Stage and Studio:
Whether on stage or in the studio, the UAFX Ruby '63 offers inspiring, album-ready tones akin to expertly mic'd vintage tube combos.
Explore Normal, Brilliant, and Vibrato Channels:
Switch between Normal, Brilliant, and Vibrato channels for versatile tones from mellow to chime to grind.
Push the Limit with Classic UK Boosts:
Includes classic boosts like the '60s Dallas Rangemaster and '70s Maestro EP-3 tape delay preamp for searing layered tones.
Tailor Your Tone with Built-in Mic and Speaker Pairings:
Customise your classic Brit amp tones with mic and speaker pairings inspired by UA’s OX Amp Top Box.
2x12 Speaker Models:
Choose from rare Celestion Silver Bulldogs, original Celestion Blue Bulldogs, or modern Celestion G12Hs.
Free Additional Speaker Cabinet Models:
Access additional models via the UAFX Control app, including 1x12 AC15 cab with Blue Bulldog, 2x12 Matchless cab with Celestion G12Hs, and 2x12 Two-Rock cab with Celestion Golds.
Key Features:
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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
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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
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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
Specifications
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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
