A widely played instrument, the Yamaha 631G is characterised by an extremely round, mellow sound with an abundance of tonal colour. The gold-brass bell has a soft, dark sound and is finished to a high standard.
Silver-plated finish
Gold brass bell
Bore size: 0.433" (11.00mm)
Bell diameter: 6.00" (152mm)
Two sprung waterkeys
3rd slide trigger
Wooden shell case
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