Aulos 205A Robin descant recorders - Pack of 20 recordersThe Aulos recorder The Aulos 205A descant recorder is certainly one of our most popular instruments. It is sold in huge numbers to schools, colleges and students of all ages it is the classic school recorder with a number of design features which make it reliable, consistent and above all excellent value for money. A quality instrument The instrument comes in three pieces which are easy to put together, featuring their patented 'cavity wall' design.