Articulated A(flat)/B(flat) Trill

The articulated A(flat)/B(flat) Trill is used by fingering the A(flat), depressing the thumb B(flat) key, and trilling the 3rd finger G key. A link enables the B(flat) and A tone holes to operate together allowing the B(flat) to sound properly. This mechanism can also play other trills from other notes up to a B(flat). A clutch allows the link to be disengaged permitting certain other fingerings in the high range of the instrument to be played.
Catalog Number: 12
Available On: 601, 660, 101, 201, I, II, & III
Conflicts With: Thumb A(flat)/B(flat) Trill Key (11)

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