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B.30-45 G.R.

The “quint” or Galla-Rini free bass system, is based on the same logic “quint” scheme of a normal standard bass (“Stradella”) bass mechanic. As normally on a 120 bass, 6 row, bass mechanic you will have the first 4 rows of buttons as chords and the last two rows as fundamental notes, in the extension of an octave. Using the converter the pre-made chords are transformed into bass and conterbass shifted of one octave (instead of major/minor chords) and again bass and conterbass shifted one more octave (sept./dim. chords).

Available also with converter:
Bayan infinia Piano
(45/58/120-5/6-15+M+6+5M)

Bayan Zenith Piano
(45/58/120-5/7-15+M+6+5M)