Aclam Dr. Robert V3 Boutique Overdrive Pedal | Vox UL730 Replica | Beatles Revolver Sound

A faithful recreation of one of the most legendary—and elusive—British amplifier tones ever recorded. The Aclam Dr. Robert V3 is based on Aclam's own original Vox UL730 amplifier, a rare model closely associated with the groundbreaking guitar sounds heard on The Beatles' Revolver and Sgt. Pepper's Lonely Hearts Club Band recordings. Rather than creating a generic “British” overdrive, Aclam meticulously recreated the actual preamp section of their original UL730, preserving its distinctive mid-focused voice, touch sensitivity, and rich harmonic character. Version 3 expands the original concept with dedicated Bass and Treble controls, a separate Mach Schau! gain stage control, and selectable Lo/Hi Gain modes, allowing players to move from classic British jangle and edge-of-breakup tones to more aggressive vintage drive. The visual design is equally special, featuring artwork created by Klaus Voormann, the artist responsible for the iconic cover artwork of The Beatles' Revolver album. Hand-built in Barcelona, the Dr. Robert V3 is more than a Beatles-inspired overdrive—it is a carefully engineered recreation of a historic amplifier that very few players will ever have the opportunity to experience. Features Faithful recreation of Aclam's original Vox UL730 amplifier preamp circuit Inspired by the legendary Beatles Revolver and Sgt. Pepper guitar tones Dedicated Mach Schau! gain stage with independent gain control Selectable Lo/Hi Gain modes Three-band EQ with Bass, Mid, and Treble controls Artwork by Klaus Voormann, designer of the Revolver album cover Suitable for guitar and bass Relay true bypass switching Built in Barcelona, Spain Specifications Effect Type: Overdrive Power: 9V DC center-negative power supply Minimum Current Requirement: 40mA Current Draw: Approximately 10mA Dimensions: 5.4" x 3.4" x 2.2" Weight: 0.91 lbs.