GR-1 Manual

GR-1 Basic Footcontroller Manual

GR-1 Advanced Footcontroller Manual

GR-Junior II Manual

GR-1 Handbuch

GR-1 Basic Footcontroller Handbuch

GR-1 Advanced Footcontroller Handbuch

GR-Junior II Handbuch

GR-Junior: Easy DI-Recording with real feedback playing. Demo of a simple home recording without guitar amplifier/speaker Media Player

GR-Junior: Feedback with clean guitar and Fender Champ. Media Player

GR-Junior: Easy DI-Recording with real feedback playing. DIVE BOMB Media Player

GR-1 with Footcontroller: Several voices feedback has been recorded with a Digitech IPS 33 Harmonizer, Boogie Mark II and a Gibson Les Paul Media Player

GR-1 with footcontroller: "Violines" has been recorded with a 5w Fender Champ tube amp, RAT distortion pedal and a Fender Stratocaster with Fender noiseless pickups. The Footcontroller gives a unique control to different feedback harmonics. Media Player

Sound track played with the GR-1. DI recording with a marshall preamp and a modified Red Box speaker simulator. It has been played with a Fender Stratocaster with EMG pickups and SPC tone control. Media Player

GR-1: Changing feedback to 1th and 2th octave by changing the position of the Resonator Head along the fretboard (played without the footcontroller). Several voices feedback in the middle has been recorded with a Digitech IPS 33 Harmonizer Media Player

GR-1: The Special effects in the middle are created with the Resonator Head near the neck pickup. Self-oszillation frequency has been changed by the tone poti (Fender Stratocaster) Media Player