Amati Abb 621 Series 4-Valve 4/4 Bbb Tuba Abb 621 Lacquer
The AMATI AB 621 BBb Tuba is an intermediate to professional model with 4 front action piston valves. It is a 4/4 size model that features yellow brass construction, a bore of .717″, a bell of 19.7″. It is 37″ tall and is available in a silver plate or a
Amati Amati Abb 621 Series 4-Valve 4/4 Bbb Tuba Abb 621 Lacquer ABB 621-O Brass Instruments, Tubas, Bb Tubas
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“Amati Abb 621 Series 4-Valve 4/4 Bbb Tuba Abb 621 Lacquer“