"Symphony‚
.547" (13.89mm) bore with patented CL2000 F rotor system‚
open wrap‚ .562" (14.27mm) bore through F attachment‚ 8-1/2"
(216mm) rose brass bell & outer slide‚ lacquer finish‚
C.G. Conn mouthpiece‚ woodshell case. The CL2000 rotor system
provides 40% faster action & virtually eliminates any
response difference between the F attachment & straight
trombone sides"
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