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Universal Audio GPM-RUBY Ruby ’63 Top Boost Amplifier Pedal

Brand:  Universal Audio
SKU: SM-1725

Product Highlights

Get the British Invasion tones that inspired generations.

  • Get the valve amp that powered the British Invasion, perfectly emulated in a stompbox
  • Stay inspired with rich Top Boost tones and tube-powered vibrato
  • Take ace studio amp tones anywhere, complete with legendary mic/speaker pairings and famous boost effects
  • Download artist tones, customize features, explore presets, and more with UAFX mobile app

Original price was: ₹54,275.Current price is: ₹51,500.

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Estimated delivery dates: May 7, 2026 - May 11, 2026

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Details

  • 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
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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 UAD modeling expertise, the Ruby ’63 effects pedal delivers choirboy cleans, complex overdrive, and classic vibrato.

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Experience 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.

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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

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Push the Limit with Classic 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.