Dimensions
Specification Details
Design Dimensions (Lid Closed) 2026mm (W) x 1213mm (D) x 900mm (H)
Design Dimensions (Lid Open) 2026mm (W) x 1213mm (D) x 1862mm (H)
Weight (Freestanding with ballast weights) 355kg
Weight (With fixing plate, no ballast) 250kg
Materials Liquid metal, Patina, Tramazite, brass, steel, timber, aluminium honeycomb, composites
Speakers 1 x Sub 320W, 2 x 6” 75W, 2 x 4” 75W, 2 x Tweeters 75W
Amplification 8 channel amplifier with individual DSP
Hz Range 25Hz - 20,000Hz
Polyphony 256 notes
Headphone Jack 1/4” stereo jack (internal speakers mute on connection)
Line Input 1/4” stereo jack for external devices
Line Output Accessed internally: 2x phono (mono), 2x 1/4” mono, 1x 3.5mm TRS stereo jack for external sound systems
Power Mains operated 240V
Voices Eight Steinway & Sons and four Bechsteins
Special Features Nine site specific reverb environments
Song Library Twenty one curated tracks
Pedal Inputs Left: Soft (una corda), Middle: Surrender mode, Right: Sustain
Keyboard Design Eighty eight key master keyboard
Key Surfaces Ivory touch
Key Action Grand hammer action
Key Features Graded hammers, counterweights, triple sensor
Where can I experience Twist / D? Twist / D can be viewed by appointment at Based Upon’s gallery in Greenwich, London.

Please contact us to schedule an appointment at info@basedupon.com, or +44 (0) 20 8320 2122.
Is Twist / D covered by a warranty? Yes, Twist / D is covered by a two-year warranty.
What is the lead time? On average, the lead time to commission a Twist / D is approximately six months. More complex bespoke commissions may take additional time; we would be delighted to discuss this with you.
How much does Twist / D cost? Twist/D prices start from £150,000 excluding VAT.
How do I order a Twist / D? Please kindly contact us at info@basedupon.com, or +44 (0) 20 8320 2122 to make an enquiry.