Model PT 83 is for players who prefer a medium width cup and a distinct but dark velvety sound in all registers. The sharp inner rim provides quick response. It works particularly well on medium-bore instruments and is available in both regular and heavy shell PT-83+ versions.
Specs
Cup Diameter (mm): 32 (Long V-shaped funnel.)
Rim (mm): 7.5 (Fairly sharp inner edge. Moderately round rim.)
Bore (mm): 8.6
Resistance: Comfortable with cushion effect.
Note on shanks