This was recorded using the Klavichord model from Sonus Paradisi (1/6-comma meantone temperament, A=392).
Michael Calabris (https://www.michaelcalabris.com) is a composer who composes not only for organ but instruments such as the clavichord and harpsichord. I reached out to him recently to see if I could play another of his clavichord pieces on this sample set and he happily obliged.