Bass regulator
low semidrone, retunable during playing: conical, straight, no bell, no cavity / double reed
Mounted, with the Bass bar, to the flank of the main stock, from which it obtains its air; NB: ➺ Separator.
4 keys (g, a, b, c¹): 510 mm (3 pieces); Stopped, with tuning pin.
NB: Example(s) to be replaced with staff-notation.
Leydi, Roberto: La zampogna in Europa. Como, 1979, p.86.
Garvin, Wilbert: The Irish bagpipes: their construction and maintenance [Belfast 1978, Blackstaff Press]. Foreword by Breandán Breathnach. Kells, 1988 (2), p.35.