open diapason

In Germany this term corresponds to the English open diapason.

Eight foot stops include the 8' Open Diapason.

Initiated in low and subdued tones, the sound soon rose in volume to the open diapason of barbaric blood lust.

Open Diapason 8'

The case was designed by Dykes Bower, with the 16 ft Open Diapason pipes on display.

Principal (also Diapason, Open Diapason, or Montre)

It occupies a chamber on the North side of the choir, and sports a front comprising the larger pipes of the Great Open Diapason stops.

The andante is delicately scored for pianissimo strings senza cembalo (without harpsichord) with three stops on the organ - open diapason, stopped diapason and flute - another indication that these concertos were intimate chamber works.

English classical organ Despite the small specification, the organ is laid out grandly and occupies a big mahogany case with a gilded front (the facade starts at 8' C - the four lowest Open Diapason pipes are inside).

I then gave Lys a piece of dried meat, and sitting inside the entrance, we dined as must have some of our ancient forbears at the dawning of the age of man, while far below the open diapason of the savage night rose weird and horrifying to our ears.

Wurlitzer built a version of the diaphonic horn for their theater organs at 32' and 16' pitches with huge wooden resonators as extensions of its Diaphonic diapason, and at 16' with metal resonators as an extension of its smaller-scale Open diapason.

(With cylindrical pipes open at both ends, used for example in some organ stops such as the open diapason, the harmonics are even multiples of the same frequency for the given bore length, but this has the effect of the fundamental frequency being doubled and all multiples of this fundamental frequency being produced.)