The string length is 79/162cm, and a body depth of 16.2cm the original instrument is in 3 pieces in the Brussels Museum, the bridge has an unusual dolphin shaped bridge ending which may have replaced the original bridge in 1698 according to the museum. The original rose shown below needed some restoration before a new one was made. The original instrument currently exists in 3 pieces in the museum as seen below.
Student Theorbo based on Sellas (Paris E.547)
This student Theorbo is the most popular the string length is 85.7cm with 168.7cm bass courses with 17 ribs to make the instrument cheaper. The folding version is also shown below. Here the famous Canarios for solo Chitarrone buy Kapsberger played here by Richard MacKenzie, and here playing Biagio Marini in Oxford.