C Series: compatible with many horns

CR - A classic bowl-shaped cup with a fast response. #12 bore, medium shallow.

CV - A rich balanced sound. #1|#13 tapered bore, medium-deep: H and M shanks available

G Series: for Geyer-type & similar horns

G - Bright and clear in all registers, exceptional projection and accuracy. #19 bore, shallow.

GM - Maximum control of the tone color. #19 bore, medium-deep.

GS - Smooth, rich sound for the studio and beyond.  #16 bore, medium-deep.

GA - A control mouthpiece with an appealing, warm sound. #2|#16 tapered bore, medium-shallow.

GH - Free blowing with a wide color palate. #1|#13 tapered bore, medium-shallow.

M series: for Alexanders & European Shank Horns

M - For the Alexander player in America. #18 bore, medium-deep.

MD - Descant & principal model, great for triple & descants; bright, clean sound.  #19 bore, shallow.

H Series: for Historic / French Shank Horns

H - For your natural or early valve horn. Superb for hand stopping.  #12 bore, very deep.

HF - For baroque cor alto. #10 bore, medium-deep.

Specialty Models

LA - A fresh take on an 8D mouthpieces for the modern studio player. #13 bore, medium shallow.

MT - For Alex Wagner Tuba. Controlled & in tune. #14 bore, deep.

GD - Superior tone and accuracy when you're counting ledger lines. #17 bore, extra-shallow.

GC - Vintage sound and feel with modern accuracy and playability. #12 bore, deep.

Standard Rims

Rim R - our most popular rim - comfortable and easy-to-play. 17.5-18.25mm in quarters.

Specialty Rims

Rim RS - a slimmer Rim R variant, einsetzen friendly. 17.75 to 18.25 in quarters.

Rim T - a classic forward-peak rim. 17-18mm in quarters.

Rim E - a narrow, sharp rim for einsetzen players. 17.25-17.75 in quarters.

Rim X - an extra-wide, extra-cushioned rim. 18.5mm

Custom

Small Tweaks - Extra weight, different shank, larger bore, and similar else to an existing design.

Custom Rims - Custom rim to your spec, available in Giardinelli or PHC threads and any junction size.