Bach Trombpone. Stradivarius, 50A3. Open wrap, Hagmann valve. Double in-line independent rotor system, key of Bb/F/Gb, .562" bore, 9-1/2" one-piece hand-hammered yellow brass bell, yellow brass outer slide, clear lacque.
Bach Trombpone. Stradivarius, 50A3. Open wrap, Hagmann valve. Double in-line independent rotor system, key of Bb/F/Gb, .562" bore, 9-1/2" one-piece hand-hammered yellow brass bell, yellow brass outer slide, clear lacque.