The UAD Ruby ‘63 plug-in gives you the inspiring, album‑ready tone of an expertly miked “golden unit” Top Boost amp, within seconds. Based on the award-winning UAFX pedal, you get all the controls that make this amp a must-have for recording pop, rock, metal, country, and more.
- Get the world’s most accurate emulation of a vintage Top Boost amp — no Apollo required
- Capture ace studio amp tones with legendary mic/speaker pairings and famous boost effects
- Stay inspired with three flavors of Top Boost tone (Normal, Brilliant, Vibrato)
- Get classic boost emulations including a ’60s Dallas Rangemaster and the preamp of a Maestro EP-3**
Runs natively on your macOS or Windows computer without UA hardware. View full system requirements.






