Keyboard: 19 1/4″ keyboard (49 cm)
Treble/Bass: 41 treble keys / 120 basses
Registers: 11+M treble / 10 bass registers
Reeds: 4/5 sets of Handmade Guidobaldi reeds
Configuration: LMMH Dry / LMMM -15/+15
Tuning: A-441
Tone Chamber: Double (LM) Mahogany Tone Chamber
Amplification: ESM Grille (open/close) w/ original dynamic amplification
Extras: Interchangeable reeds and Acoustic Power Grille
Weight: 27.5 lbs (12.47 kg)