Dillon Music Chris Olka Tuba Mouthpiece

Olka CB1
Rim diameter of 1.299" (33mm)
Throat of .323" (8.2mm)
Medium deep funnel cup.

Olka B1
rim diameter of 1.290" (32.75mm)
Throat of .291" (7.36mm)
Shallow funnel cup.

Olka CB2
Rim diameter of 1.295” (32.38mm)
Throat of .319” (8.1mm)
Medium funnel cup.

European shank is larger and the taper begins with an outside diameter of .540” (13.71mm)
American shank is smaller and the taper begins with an outside diameter of .525” (13.33mm)

OLKA C1L
Rim/Cup diameter 1.299” (33mm)
Throat .323” (8.2mm)
Deep funnel cup
Wide, rounded, comfortable rim
*Designed for orchestral playing on all medium to large contrabass tubas and is especially effective on larger piston models*
American/Euro Shank Options

OLKA C2L
Rim/Cup diameter 1.295” (32.89mm)
Throat .321” (8.15mm)
Medium deep funnel cup
Wide, rounded, comfortable rim
*Designed for all-around playing, including solos when using medium to large contrabass tubas*
American/Euro Shank Options

OLKA C3L
Rim/Cup Diameter 1.297” (32.94mm)
Throat .323” (8.2mm) *Backbore is slightly tighter than C1*
Medium deep funnel cup
Wide, rounded, comfortable rim
*Designed to sound and feel right in between the C1 and C2 models*
American/Euro Shank Options

OLKA RC1M
Rim/Cup diameter 1.313” (33.35mm)
Throat .333” (8.45mm)
Deep bowl-shaped cup
Narrow, rounded, comfortable rim
*Designed for orchestral playing on all medium to large rotary valve contrabass tubas*
American/Euro Shank Options