No. 820

No. 800

• prime, long stored and selected, natural grenadilla wood
• heavily silver plated nickel silver keys
• tuning device inside the neck
• automatic Bb mechanism
• for trill keys on upper joint
• forked Bb mechanism
• double F/C key
• forked F/Bb mechanism on lower joint
• Eb/G# lever
• F/Bb lever
• disconnectable B-C# trill key
• four thumb keys for low D# down to low C
• additional thumb key for low C
• four rollers
• adjustable peg
• one mouthpiece
• case
• accessories

No. 810

• as No. 800, with additional closed thumb key intonation mechanism for low E and F

No. 820

• as No. 800, with additional open thumb key intonation mechanism for low E and F