Q470 87 Stop Four-Manual Console Sound Technology Patented Quantum™ Technology Stoplist Library™ Acoustic Portrait™ - Actual Sampled Acoustics Real Xpression™ Reflections™ Package - Optional Multi-Point Audio™ Stop-by-Stop & Note-by-Note Voicing Advanced MIDI Capabilities Voices Changeable Via CD ROM Air Regulator™ The Allen Console Keycheek Alternatives - Optional The Allen Keyboard Individually Adjustable and Felted Keys Reed Switch Key Contacts - (or OST™ Optional) Ivora Naturals & Wood Sharps - Optional The Allen Stop Action Deluxe Mechanical Stop Action Pistons - User Reconfigurable Piston Sequencer Wood Drawknobs Shanks & Stop Tablets - Optional 87 Stop Four-Manual Stop Specification	Click on photo for enlarged view