Bugari piano accordion with midi (now sold). Professional Bugari accordion, cassotto chamber, 37 key, 120 bass. Scottish tuned, three voice musette plus octave reed (LMMM), 11 treble couplers plus master palm coupler, 5 voice bass with 5 couplers. This instrument is unusual in that it has 37 keys but 120 bass. The 37 keys make it just that bit more compact than 41 keys.
Piano accordion for sale from Settimio Soprani. This is a beautiful 37 key 96 bass instrument, with three treble voice (LMM), seven coupler, and 5 voice two coupler on the bass side. This instrument was made in the 1980s and has been tuned, with some re-valving on the right hand. The 37 key keyboard is ideal for someone who wants most of the range of a full size 41 key instrument, but in a smaller more manageable package.