“i+3” Full conservatory plateau systemGrenadilla wood – silver-plated keys
Supplied with two silver-plated bocals
All trill keys – 3rd octave key
Left hand F key
Low B resonance keyThis model is also available in full automatic system.Additional options:Gold-plated keys Synthetic material (top joint only) Instrument descending to the low B flat, enabling to play both B and B flat (removable extension) Extension alone – to be added to an existing instrument – enabling to play the low B flat English thumb plate