A Cymbel that appears in the pedal. Adlung, the only source to mention it, says only: �Cymbelbass stops are also made that repeat once if they are 1/2' high; others, if they are even smaller, repeat twice.�
Cymbelbass IV-V 1/4', Pedal; Lorenzkirche, Nürnbeg, Germany; Steinmeyer 1937. This is the only known example.