Model PT-48 is based on the classic Helleberg concept yet wider than standard mouthpieces. The rim is enhanced for quick response and clarity. The sound is dark with a broad core. Excellent for medium-large and large-bore CC and BBb tubas.
Specs
Cup Diameter (mm): 32.5 (Deep, deep pear shaped cup.)
Rim (mm): 8 (Rounded inner and outer edges.)
Bore (mm): 8.3
Resistance: Moderate-open blowing
Note on shanks