Guitar Effects Processor GFX-707 The "HYBRID" Concept: An effect should enhance the guitarist's performance Downloads Documents GFX-707 Operation Manual (English) GFX-707 Mode d'emploi (French) GFX-707 Bedienungsanleitung (German) GFX-707 Manuale Operativo (Italian) GFX-707 Manual de Instrucciones (Spanish)