Based on an instrument in the German National Museum, Nuremburg, and numerous iconographical references.
This harp has a sycamore neck, pillar and soundbox, and has 26
strings tuned G-d’’’.
Other tunings are possible including that described by Mersenne in Harmonie Universale 1636, with both a b natural and a b flat in the two upper octaves.
This harp also has bray pins which can be used either on or off.
With bray pins off:
With bray pins on: on:http://www.leones.de/agricola_cd.html?&L=2