A high cost performance model that can be sounded firmly even by the first person. With oil varnish finish and polite handwork, we realized a balanced tone in all the sound range.
B ♭ / Convertible model. The valve system is 3 pistons. Bell is yellow brass diameter 280 mm, bore size 14.5 mm, silver plated finish. Two blowing pipes
600 series B ♭ pipe. Bell has two yellow brasses 214 mm in diameter, the outer tube is yellow brass, the inner tube is Western white, the bore size is medium mesh tube 13.34 mm, gold lacquer finish