CX90 Prestige
CX90 Prestige
It's disputed as to whether these horns use an SX90 body or a Buffet S3 Prestige body.
My (Pete) *opinion* is that these are SX90s, with the exception of the low B/Bb key,
which is an obvious Buffet design.

There are a few videos on YouTube.
Conn
EX90
GJK ST The Saxophone Specialist
H-Couf
Julius Keilwerth Edition