vintage MXR Script Logo Phase 90. This is the holy grail of analog phaser pedals, famous for its ultra-smooth, warm four-stage phasing that you cannot replicate with modern digital modelers. This legendary circuit can be heard on countless classic rock tracks, most notably defining Eddie Van Halen’s early guitar tones.Features & SpecificationsClassic Circuit: Warm, lush four-stage analog phase shifting.Control: Simple, single "Speed" knob that sweeps from a subtle swirl to high-speed warble.Text Style: Rare and highly collectible "Script Logo" handwritten font.Connections: Top-mounted 1/4" Input and Output jacks.Power: Vintage-correct 9V battery operation (no DC jack or LED, exactly as originally designed).Condition NoteCosmetic: Great vintage condition with honest, light players' wear (minor paint chips along the edges as pictured, adding great vintage character).Functional: 100% fully functional. The knob turns smoothly and the footswitch clicks cleanly.Ships quickly and securely. Please review all photos carefully and feel free to reach out with any questions before purchasing!