Atzarin Bandonion - Design Concept and Details

The new Atzarin bandonion combines the best characteristics and advantages of traditional bandoneon and other bandonion and concertina models with an Atzarin layout.

Size 24.5cm x 24.5cm
Weight 5.5kg
Reed Plates traditional style long, zinc plates. 6 plates on each hand, 13 x 2 reeds per plate.
Tuning two voiced, octave tuning
Action new aluminum action specially designed for Atzarin bandonion by bandoneon and concertina manufacturer Harry Geuns
Button Arc Location buttons arcs on the sides of the instrument, as on traditional bandoneon
Button Size 11.8mm
Button Spacing 15.5mm on first row, 16.5mm on middle row and 17.5mm on third row.
Button Arc Ergonomics compactly spaced buttons arranged in 3 curved rows streamlined to follow the thumb, index and little fingers as they extend away from the hand
Palm Rail flat, front edge 8cm from centre button of inner row
Hand Strap set back from front edge of palm rail, supports area between the wrist and the back of the hand
Layout Type bisonoric, Atzarin layout of notes on both hands
Left & Right Coordination symmetrical, mirrored left and right hand layouts
Musical Range from F#1 to b3. F#1 to b1 on left and f# to b3 on the right hand. c1 = middle c.

The Atzarin bandonion concept is by Sebastian Brown Apraiz, the author of this website and inventor of the Atzarin layout of musical notes. The instrument is currently being built by bandoneon and concertina manufacturer Harry Geuns.

Atzarin bandonion button arcs
Atzarin bandonion button sizes and spacing
Atzarin bandonion comfort and playability