Pix of third of five built. A custom modified 5 Valve Bb with F extension built on an Yamaha 321 Bb horn corpus. This horn has the factory thumb valve for stopping or transposition into A. It has an intermediate H tuning slide on the fourth (thumb) valve, which can be removed; The pinky fifth valve lengthens the horn into the Key of F which allows the player access to the few low notes missing on the Bb horn. It also allows for additional alternative fingering throughout the range of the horn. The rectanclular F extension is reministic of the Paxman extension. For physical control the horn has been fitted with an Alexander Flipper. Several have also had an adjustable pinky hook. It has a rose brass lead pipe with water key. The horn is raw yellow brass, no lacquer. This conversion of your 321 is available or I have several corpus to built on. A good pit horn, light weight. Can also be built with a detachable bell flare. Testimonials available. abtubbs@gmail.com
