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B1 Sizes

The largest-sized rims,

Comparable to:

Bach size 1 rims,

Schilke 18-24, etc.

B2 Sizes

Medium-large rim size

Comparable to:

Bach size 1-1/4 rim,

Schilke 17, etc.

Most Available Sizes for Trumpet (& Cornet)

For simplicity, this list shows the Bb ('B') version of each size.

Most sizes can also be made for C trumpet.

Unity mouthpieces are not yet available for cornet

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Cups for each rim are listed from shallow to deep

*Unity Trumpet Mouthpieces are in purple

*Popular pre-Unity sizes are in yellow

B1 Sizes

B1-1 Rim

  • B1-1L S1

  • Unity B1-1L

  • B1-1LD S1

  • B1-1 S13

  • B1-1 S5 D

  • B1-1 S5

  • B1-1 S1

  • original B1-1

  • B1-1D

  • B1-1 FL

B1-2 Rim

  • B1-2L S1

  • B1-2LD S1

  • B1-2 S3

  • original B1-2

  • B1-2 FL

B1-3 Rim

  • B1-3LD S1

  • B1-3 S5

  • B1-3D S5

  • B1-3 FL

B1-4 Rim

  • B1-4 S6

  • B1-4 FL

B1-5 Rim

  • B1-5L

  • B1-5LD S7

  • B1-5 S3

  • B1-5 S4

  • original B1-5

  • B1-5M S12

  • B1-5M S3

  • original B1-5M

  • B1-5D S1

  • B1-5 FL

B1-7 Rim

  • Unity B1-7

B2W Rim

  • B2 S3 W

  • B2M S3 W

B2 Sizes

B2 Rim

  • B2L S1

  • B2L S3

  • B2LD S1

  • B2 S3

  • Unity B2

  • B2 S5

  • original B2

  • B2G S3

  • B2M S3

  • Unity B2M

  • B2D S3

  • B2 FL

B2-7 Rim

  • Unity B2-7

  • Unity B2-7M

B3/B4 Sizes

B2.5 rim

  • B2.5 S3

  • B2.5 FL

B3 rim

  • B3L S1

  • B3LD S1

  • B3 S3

  • Unity B3

  • original B3

  • B3D S1

  • B3 FL

B3F rim

  • B3F S7

  • B3F FL

B4S rim

  • B4SLD S7

  • B4S S2

  • Unity B4S

  • original B4S

  • B4S D

  • B4S FL

B4-7 Rim

  • Unity B4-7

B4 rim

  • Unity B4

  • B4 S3

  • original B4

  • B4D S3

  • B4 FL

B4L rim

  • B4LVS

  • B4LS S1

  • B4L S1

  • Unity B4L

  • B4LD S1

  • Unity B4LD

  • B4LD/2S3

  • B4LD FL

DM Rim

  • Unity DM-4L

  • Unity DM-4LD

B6 Sizes

B6 Rim

  • B6LV S1

  • B6L S1

  • Unity B6L

  • B6LD S1

  • Unity B6LD

  • B6 S1 V2

  • B6 S1

  • Unity B6

  • original B6

  • Unity B6M

  • B6D S1

  • B6 FL

B6-7 Rim

  • Unity B6-7

  • Unity B6-7M

DM Rim

  • Unity DM-6L

  • Unity DM-6LD

Uncommon Sizes

B5L Rim

  • B5L S1

  • B5LD S1

B5 Rim

  • B5

  • B5 FL

B7F Rim

  • B7F

  • B7F FL

B7-7 Rim

  • Unity B7-7

B8 Rim

  • B8

  • B8 FL

BLW Rim

  • BLW S1

  • BLM S1 W

BL/MF Sizes

BL rim

  • BLV S1

  • BL S1

  • Unity BL

  • original BL

  • BLM S1

  • Unity BLM

  • original B6L (BLM)

  • BLD S1

  • BL FL

original BL2 rim

  • BL2

  • BL2 S1

  • BL2 FL

MF II rim

  • MF II

  • MF II D

  • MF II FL

MF III rim

  • MF III

  • Unity MF III

  • MF III LD

  • MF III D

  • MF III FL

MF VI Rim

  • Unity MF VI

BL2 S3 rim

  • BL2 S3

BL4 rim

  • BL4 S6

  • Unity BL4

  • BL4 FL

BL5 rim

  • BL5

  • BL5 FL

JB rim

  • JB

  • JB FL

BL6 rim

  • BL6

  • BL6 FL

Don't see the size you need? Click here to contact the shop.

List of sizes

Unity Mouthpieces for Bb Trumpet

    Prana Resonance & Classic Resonance
    for Bb trumpet

    Bb Resonance

    Prana Resonance & Classic Resonance
    for C trumpet

    C Resonane
    Vintage Bb

    Vintage Models for Bb Trumpet

    Vintage Models for C Trumpet

    Vintage-Model C Trumpet
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