Bb Tenora trombons MIRAPHONE Bb-671, open wrap

– Bell diameter 220 mm (8,661 inch)
– Type of valve CPU linkage
– Bore of inner slide 14,0 mm (0,551 inch)
– Material of inner slide nickel silver-hard chrome
– Material of mouthpipe nickel silver
– Mouthpiece PO13
– lacquered