All of these recorders are based on original instruments from museums or private collections. The majority of the recorders which are copied are from the Kunsthistorisches Museum in Vienna.
I normally use north american¨”rock” maple but other woods can be used. The type of wide bore in relation to the length of the instruments produces a very solemn and expressive intonation. They have a range of an octave and a minor seventh.
The basic consort usually consists of a basset in f, two tenors in c´, an alto in f´and g´and a soprano in c´´. Almost all of the 16th century four part music can be played with this combination.