88 note player piano equipped with e-valves
Below are a few pictures of an 88 note player piano fitted with a set of e-valves (relays). As additional details of this installation become known, they will be added.
Note the two rows of relays mounted across the face of the pneumatic stack.
Note the long rectangular box beneath the stack,
which is a functional emulation of an Ampico B dynamics control system,
effectively making this modest 88-note pumper player piano perform very similar to a true Ampico B piano.
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