Hupfeld Animatic -T- and Triphonola

Both instruments play rolls based on the 88-note scale with full expression.

The Triphonola system was the follower of the Hupfeld - DEA.

Triphonola-grand at the WDR Piano-Atelier of the

Westdeutscher Rundfunk at Cologne.

View of a Triphonola - roll.