https://www.casta-acoustics.com/CORE/Reviews/Files/SFVMA.pdf
Casta Acoustics
Casta Acoustics Model B Prima
https://www.casta-acoustics.com/CORE/Reviews/Files/RFVMB.pdf
Casta Model C
These big exotic Italians are a very serious effort. At their daunting price tag they represent an all-out assault by designer Roberto Tittarelli to achieve his vision of musical perfection