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Bach Trumpet - Short Version

If you believe you are currently playing your optimal size in another mouthpiece brand, use the table below to find a corresponding Wedge.
 
If you are not confident you are playing your ideal size, or if you are having a specific issue with your playing, visit our Trumpet Fitting Guide.
 
Please Note: 
* All links in table direct to brass one piece options
* For modual (two piece) options in brass or plastic, find your appropriate size below and click here to shop Wedge Trumpet Mouthpiece Tops
* For plastic one piece mouthpieces, find your size below, then click here to shop Delrin One Piece Mouthpieces.

 QUICK LIST 

Click on your mouthpiece to view the best Wedge one piece option in the Online Store. 

Bach Size - Wedge Size 

Bach 1 - 69D / Bach 1B - 68RT / Bach 1E - 68S / Bach 1C - 68MDV / Bach 1X - 67D / Bach 1.25C - 68MDV / Bach 1.5C - 67MDV / Bach 2 - 66D / Bach 2C - 665MD / Bach 2.5C - 665MDV / Bach 2.75C - 665D/  Bach 3 - 665RT / Bach 3B - 665D / Bach 3CW - 67RT / Bach 3C - 665MV / Bach 5A - 66RT / Bach 5B - 66D / Bach 5C - 66MDV / Bach 7 - 66RT / Bach 7B - 66D / Bach 7C - 66MDV / Bach 7D - 65MD / Bach 7E - 65M / Bach 7EW - 65M / Bach 10.5C - 64MDV 

The comparison table below can also help find a Wedge similar to your current mouthpiece. 

You can also get personalized fitting advice from Dr Dave by scheduling a phone call or Zoom chat using his online booking calendar.

Bach - Wedge Trumpet Mouthpiece Comparisons

  • Bach mouthpieces are inconsistent between samples of the same size
  • Many players using large sizes (1-1.25 Bach rim) do very well downsizing to a Wedge 67 rim with no loss of sound or flexibility
  • Cup depths and rim sizes do not always follow a logical sequence (5C and 7C are deeper than a 3C)
  • Depth measured at .04 inches into the cup

ALL LINKS GO TO THE ONE PIECE OPTION

Bach Size Wedge Size ID in inches (mm) Comments

1

69D

.690

(17.5)

1K

67D

.680

The sharp bite on the 1X reduces the effective rim ID.

1B

69RT

.690

(17.5)

1C

68MDV

.680

(17.3)

1D

69M

.690

(17.5)

1E

68S

.680

(17.3)

1.25 C

68MDV or 67MDV

.680

(17.3)

The 1.25C ID is between the 67 and 68 rim. Consider the 67MDV if you want better endurance and range. Many players do well on a slightly smaller Wedge.  

1.5B

68D

.680

(17.3)

1.5C

67MDV

.670

(17)

2

67MDV

.660

(16.8)

Sharp bite of Bach 2 reduces rim diameter

2C

665MD

.665

(16.9)

2.5C

665MDV

.665

(16.9)

2.75C

665D

.665

(16.9)

3
665RT

.665

(16.9)

3B

665D

.665

(16.9)

3C

665MV (1)

Pierobon C (2)

Giuffredi C (2)

Chuck Findley MV (3)

.665

(16.9)

(1) Most similar to Bach 3C)

(2) Deeper than 3C

(3) Slightly smaller ID than 3C

3CW

67RT

.670

(17)

3D

66S

66LV

.660

(16.8)

66LV has better low register and less resistance

3E

66ES

.660

(16.8)

3F

66ES

.660

(16.8)

5A

66RT

.660

(16.8)

5B

66D

.660

(16.8)

5C

66MDV

.660

(16.8)

6

66D

.660

(16.8)

6B

66D

.660

(16.8)

6C

66D

.660

(16.8)

7

66RT, 65RT

.660

(16.8)

Between 66 and 65 rim

Consider smaller diameter for better range and endurance

7B

66D, 65D

.660

(16.8)

.650

(16.5)

Between 66 and 65 rim

Consider smaller diameter for better range and endurance

7C

66MDV, 65D

.660

(16.8)

.65

(16.5)

Between 66 and 65 rim

Consider smaller diameter for better range and endurance

7D

65MD

.650

(16.5)

7E

65M

.650

(16.5)

7EW

65M

.650

(16.5)

10.5C

65MDV, 64MDV

.650

(16.5)

.640

(16.3)

 

Between 65 and 64 rim

Consider smaller diameter for better range and endurance