realsamples has released a free harpsichord sound for download, taken from the full "Edition Beurmann" series which features eight historical instruments including several harpsichords, pianos and a spinet.
The free harpsichord file features the combined 2x8" registers of a historical Kirckman harpsichord built in 1766. It contains a light version ranging over two octaves with three velocity layers. The full range version with 8 velocity layers, also offering 6 different register combinations of the instrument, is available on the realsamples website.
The light version (GigaStudio3 format, 44.1 khz/16 bits) is available until September 30th and can be downloaded from the Musician's Life web site.