Die Bortess Kollektion

Piano-Modelle

Bortess 42 IV
Bortess 38 IV
Bortess 42 V
Bortess 38 V
Bortess 42 V Double Basson
Bortess 38 V Double Basson
Bortess 42 V Double Basson Musette
Bortess 38 V Double Basson Musette
Bortess Bayan Piano 42 IV
Bortess Bayan Piano 42 V
Bortess Bayan Piano 42 V Double Basson
Bortess Bayan Piano 45 IV
Bortess Bayan Piano 45 V
Bortess Bayan Piano 45 V Double Basson

Chromatic-Modelle (b-system/c-system)

Bortess Bayan Chromatic 58 IV
Bortess Bayan Chromatic 64 IV