Little is known about this stop-name other than what can be inferred from the few stop-lists in which it appears. It is a high-pitched flue stop. The name may derive from gaboulet, a variety of three-holed flute.
All known examples are given below.
Galoubeth 1', Positief; Allemanskerk, Oud-karspel, Netherlands; Schreurs 1972. A very wide-scaled open flute with harmonic trebles.