A tuned percussion stop consisting of metal bars struck by hammers, actuated by an electrical or pneumatic mechanism. Each bar is equipped with a resonator, and the entire stop may be equipped with a fan-type tremulant.

Vibraphone 4', Choir (Celesta with tremulant?); City Hall, Hull, England; Forster & Andrews 1911.

Vibraphone 8', Main Great, Main Swell, Main Choir; The Shrine of the Little Flower, Royal Oak, Michigan, USA; Kilgen 1930.

Vibraphone; John Ledwon Residence, Agoura, California, USA; Wurlitzer.