Pneumatic action


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(Mus.) a contrivance for overcoming the resistance of the keys and other movable parts in an organ, by causing compressed air from the wind chest to move them.

See also: Pneumatic

References in periodicals archive ?
In case of electro-pneumatic systems, multiple devices such as limit switches, PLCs, solenoid valves, and relays are used to interface pneumatic action with electric action.
The organ has two manuals, 16 stops and couplers, 515 pipes, and features the original tubular pneumatic action and cone tuning.
All profits from the money raised will go towards the restoration of the chapel's grade II listed organ, one of the few examples of a pneumatic action instrument in Wales.
It's the only air rifle around that invites the shooter to spray and pray, not that I recommend the practice, but this is the only pneumatic action that allows it.
It has a rare pneumatic action and is thought to be one of the oldest working mechanical Conachers in England.
The organ, which has a rare pneumatic action, is thought to be one of the oldest working mechanical Conachers in England.
This is due to the way that an aeromechanical conveyor mimics the fluidization process of a fully pneumatic conveyor without potentially degrading the high-speed pneumatic action and cost associated with, in particular, lean phase pneumatic equipment.
Some produced organs of traditional type with slider windchest, but most were gradually moving over to cone windchest and later equipping their instruments with pneumatic action.
At the time it consisted of three manuals and pedal, tubular pneumatic action with30 speaking stops.
And with its rotary configuration and its pneumatic actions,
And with its rotary configuration and its pneumatic actions, Xtreme makes an ideal fit into integrated preform moulding and blowing operations.