Authentic British Chime and Drive at Your Feet
The Universal Audio Ruby ’63 Top Boost Amplifier Pedal captures the legendary tones of the mid-’60s Vox AC30, delivering sparkling cleans, rich chime, and harmonically rich overdrive in a pedalboard-ready format. Built on UA’s acclaimed UAFX dual-engine platform, Ruby gives you the unmistakable sound of a cranked AC30 with built-in cabinet and mic modeling for authentic, mix-ready tones anywhere.
Whether you’re after Beatles-style cleans, Brian May-inspired crunch, or modern indie shimmer, the Ruby ’63 delivers the iconic British Top Boost character with stunning realism.
Key Features & Benefits
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Authentic AC30 Top Boost Emulation – Meticulously modeled from a vintage Vox AC30/6 with Top Boost circuitry.
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Three Unique Voicings – Choose between Normal, Brilliant, and Vibrato channels for a wide tonal palette.
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Cab & Mic Options – UA’s built-in speaker cabinet and mic simulations deliver professional tones direct to PA, recording interface, or headphones.
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Stereo I/O – Run lush, wide amp tones in stereo rigs or recording setups.
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Reactive Load & Cabinet Bypass – Use with your own cab or power amp for authentic amp-in-room feel.
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USB-C & Bluetooth Connectivity – Customize voicings, cabinets, and settings via the UAFX Control app.
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Stage-Ready Build – Rugged chassis and road-tested durability for studio or live performance.
Why Guitarists Love the Ruby ’63
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Delivers classic British tones without hauling a vintage tube combo.
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Versatile enough for clean chime, crunchy rhythm, and lead tones.
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Perfect for direct recording, home practice, or live gigging.
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UA’s world-class modeling nails the feel and response of a real AC30.
Ideal For
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Classic rock and Britpop players who want the iconic AC30 sound.
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Indie and alternative guitarists chasing shimmering cleans and jangly textures.
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Studio musicians needing mix-ready amp tones without miking a cab.
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Gigging guitarists looking for reliable, portable amp tone on stage.
Technical Specifications (Quick View)
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Amp Models: AC30/6 Top Boost channels – Normal, Brilliant, Vibrato
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Processing: UAFX dual-engine stereo
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Connectivity: Stereo In/Out, USB-C, Bluetooth
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Bypass: True or Buffered
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Controls: Gain, Bass, Treble, Cut, Level, Mode switch
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App Support: UAFX Control app for advanced cab/mic options and presets
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Construction: Rugged aluminum chassis, pedalboard-friendly design
BOOM!
