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Universal audio UAFX RUBY '63 TOP BOOST AMPLIFIER
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Guitar amp modeling simulation
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From April 1 to April 30, 2025, receive the UAD Guitar Amp bundle FOR FREE with the purchase of an eligible Volt Recording Studio USB interface or UAFX pedal!
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The Universal Audio Ruby '63 Top Boost is a 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.
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Technical sheet
- Technology Transistors
- 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
- Specifications
- 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)
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