All WEINERMUSIC instruments are serviced by Mark Kasten,

 

CONNstellation
Key in F/Bb
.468" (11.89mm) bore
12-1/4" (311mm) large throat rose brass bell
Rose brass first branch and leadpipe
Nickel silver valve section and tuning slides
Tapered rotors and bearings
Fully mechanical change valve
Adjustable levers
Lacquer finish