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Wedge Trumpet Mouthpieces

Patent Pending

The Wedge is unlike any trumpet, trombone, or French horn mouthpiece you have ever tried before. The Wedge mouthpiece has been described by those using it as the greatest innovation in brass wind technology in decades.

The Wedge began as an experiment involving modifications of conventional mouthpieces based on various theories of embouchure formation, how tooth angle affects range, and the anatomy and physiology of the lips and face. The design went through about 40 generations with beta testing by more than 20 players over 6 months. The end result is a unique curved rim design.

The Wedge could allow your playing to develop more positively than any equipment change you have ever made before. You do not need to learn to do anything differently when playing a Wedge. However, this is a very different mouthpiece, and results of switching can be dramatic.

Click here for further reading about Wedge mouthpieces.

Click here for descriptions of the backbore options available with every Wedge mouthpiece.


Click on any of the Wedge mouthpiece model names and scroll down, to see closeup photographs of this unique rim design. The sizes listed on this page are the most popular Wedge sizes; please contact Thompson Music if you are looking for specific mouthpiece dimensions outside this range.

customoption-a.jpg Gold Plating for Wedge Mouthpieces
$30.00
Wedge mouthpieces come standard in silver plate finish. Add this item to your Shopping Cart to upgrade a piece with gold plate finish, as pictured below.
wedgemouthpiece-a.jpg Engstrom model Wedge Mouthpiece
$196.95
The Engstrom was developed for Howard Engstrom, principal trumpet of the Calgary Philharmonic. It is an excellent choice for someone using a Bach 1¼C, 1½C or similar mouthpiece. It is based on a Wedge 1½ cushion rim and a 1¼Cm cup. The Engstrom has a bit broader sound than the 1½ mouthpieces because of the added cup volume.
wedgemouthpiece-a.jpg 1½B Wedge Mouthpiece
$196.95
The 1½B is an excellent choice for someone playing a Bach 1½C or similar mouthpiece. It is based on a 1½ Standard Wedge rim and a B cup. It does tend to play darker than the Bach counterpart. Because it has the Standard rim is plays a little smaller than the Wedge 1½BC.
wedgemouthpiece-a.jpg 1½BC Wedge Mouthpiece
$196.95
The 1½BC is an excellent choice for someone playing a Bach 1½C or similar mouthpiece. It is based on a 1½ cushion rim and a B cup. It does tend to play darker than the Bach counterpart. The Cushion rim makes it play a little bigger than the Wedge 1½B.
wedgemouthpiece-a.jpg 1½CC Wedge Mouthpiece
$196.95
The 1½CC is an excellent choice for someone playing a Bach 1½C or similar mouthpiece. It is based on a 1½ cushion Wedge rim and a C cup. It has more edge than the 1½B cup models, but still produces a full sound with lots of core. It is a great all round choice.
wedgemouthpiece-a.jpg 1½Cm Wedge Mouthpiece
$196.95
The 1½Cm is an excellent choice for someone playing a Bach 1½C or similar mouthpiece. It is based on a 1½ standard Wedge rim and a Cm cup. It plays much like the 1½B, but with a more open feel and brighter sound.
wedgemouthpiece-a.jpg 3C Wedge Mouthpiece
$196.95
The 3C is an excellent choice for someone playing a Bach 3C or similar mouthpiece. It is based on a 3 standard Wedge rim and a C cup. The 3C and 3CC are by far our most popular models for a wide variety of playing situations. The Wedge 3C tends to sound a bit darker than a Bach 3C and is more efficient in the upper register.
wedgemouthpiece-a.jpg 3CC Wedge Mouthpiece
$196.95
The 3CC is an excellent choice for someone playing a Bach 3C or similar mouthpiece. It is based on a 3 cushion Wedge rim and a C cup. The 3CC plays slightly bigger than the Wedge 3C. The 3C and 3CC are by far our most popular models for a wide variety of playing situations. The Wedge 3CC tends to sound a bit darker than a Bach 3C and is more efficient in the upper register.
wedgemouthpiece-a.jpg 3CCm Wedge Mouthpiece
$196.95
The 3CCm is an excellent choice for someone playing a Bach 3C Bach 3B, 5C or similar mouthpiece. It is based on a 3 Cushion Wedge rim and a C cup with the “m” contour. The 3CCm plays slightly bigger than the Wedge 3Cm. The 3C and 3CC are by far our most popular models for a wide variety of playing situations. The Wedge 3CCm feels bigger and more open than the 3CC, and has more brilliance than the 3B series of mouthpieces. It is a good choice for players who like the 3C or 3CC and want more room in the cup.
wedgemouthpiece-a.jpg 3Cm Wedge Mouthpiece
$196.95
The 3Cm is an excellent choice for someone playing a Bach 3C, Bach 3B, 5C or similar mouthpiece. It is based on a 3 Standard rim and a C cup with the m contour. The 3Cm plays with a slightly more focussed sound than the Wedge 3CCm, and feels bigger and more open than the 3C. It has more brilliance than the 3B series of mouthpieces. The 3Cm is a good choice for players who like the 3C and prefer a little more room in the cup.
wedgemouthpiece-a.jpg 3DCm Wedge Mouthpiece
$196.95
The 3DCm is an excellent choice for someone playing a Bach 3C or similar mouthpiece. It is based on a 3 Standard Wedge rim and a D cup with the m contour. The 3DCm is very similar to the 3C and 3CC, but it feels a bit roomier, with a broader and sound and more brilliance. It lays slightly bigger than the 3Dm because of the Cushion rim.
wedgemouthpiece-a.jpg 3Dm Wedge Mouthpiece
$196.95
The 3Dm is an excellent choice for someone playing a Bach 3C or similar mouthpiece. It is based on a 3 Standard Wedge rim and a D cup with the m contour. The 3Dm is very similar to the 3C and 3CC, but it feels a bit roomier, with a broader and sound and more brilliance.
wedgemouthpiece-a.jpg 3E Wedge Mouthpiece
$196.95
The 3E is an excellent choice for someone playing a Bach 3E or similar shallow mouthpiece. The medium diameter and shallow cup are an excellent combination for a player looking for a mouthpiece that can be fairly dark, and that is able to produce a cutting lead sound if desired.
wedgemouthpiece-a.jpg 3EC Wedge Mouthpiece
$196.95
The 3EC is an excellent choice for someone playing a Bach 3E or similar shallow mouthpiece. The medium diameter and shallow cup are an excellent combination for a player looking for a mouthpiece that can be fairly dark, and that is able to produce a cutting lead sound if desired. The 3EC is a little bigger and darker than the 3E.
wedgemouthpiece-a.jpg 5B Wedge Mouthpiece
$196.95
The 5B is an excellent choice for a player using a Bach 7C or similar mouthpiece. The cup shape is more V shaped than the Bach counterpart, but the 5B produces an equally full sound with less cup volume. The 5B has a slightly more focused sound than the 5BC.
wedgemouthpiece-a.jpg 5BC Wedge Mouthpiece
$196.95
The 5BC is an excellent choice for a player using a Bach 7C or similar mouthpiece. The cup shape is more V shaped than the Bach counterpart, but the 5BC produces an equally full sound with less cup volume.
wedgemouthpiece-a.jpg 5C Wedge Mouthpiece
$196.95
The 5C is an excellent choice for someone playing a Bach 5C or similar mouthpiece. It is based on a 5 standard rim and a C cup. The Wedge 5C tends to sound a bit brighter darker than a Bach 7C and is more efficient in the upper register. Although slightly brighter it retains more core than the Bach 7C.
wedgemouthpiece-a.jpg 5CC Wedge Mouthpiece
$196.95
The 5CC is an excellent choice for someone playing a Bach 7C or similar mouthpiece. It is based on a 5 Cushion Wedge rim and a C cup. The 5CC plays slightly bigger than the Wedge 5C. The Wedge 5CC tends to sound a bit brighter than a Bach 7C and is more efficient in the upper register.
wedgemouthpiece-a.jpg 5CCm Wedge Mouthpiece
$196.95
The 5CCm is an excellent choice for someone playing a Bach 7C or similar mouthpiece. It is based on a 5 cushion Wedge rim and a C cup with the “m” contour. The 5CCm plays slightly bigger than the Wedge 5Cm. The Wedge 5CCm feels bigger and more open than the 5CC, and has more brilliance than the Wedge 5B series of mouthpieces. It is a good choice for players who like the 5C or 5CC and want more room in the cup.
wedgemouthpiece-a.jpg 5Cm Wedge Mouthpiece
$196.95
The 5Cm is an excellent choice for someone playing a Bach 7C or similar mouthpiece. It is based on a 5 standard rim and a C cup with the m contour. The 5Cm plays with a slightly more focussed sound than the Wedge 5CCm, and feels bigger and more open than the 5C. It has more brilliance than the 5B series of Wedge mouthpieces. The 5Cm is a good choice for players who like the 5C and prefer a little more room in the cup.
wedgemouthpiece-a.jpg 5E Wedge Mouthpiece
$196.95
The 5E is an excellent choice for someone playing a Schilke 14A4a, 13A4a, or similar shallow mouthpiece. It is one of our most popular lead mouthpieces, along with the 5EC. The medium-small diameter and shallow cup are an excellent combination for a player looking for a mouthpiece that can be fairly dark, than can produce a cutting lead sound when desired.
wedgemouthpiece-a.jpg 5EC Wedge Mouthpiece
$196.95
The 5EC is an excellent choice for someone playing a Schilke 14A4a or 13A4a mouthpiece. It is our most popular lead mouthpiece. The medium-small diameter and shallow cup are an excellent combination for a player looking for a mouthpiece that can be fairly dark or produce a cutting lead sound, depending on the need. The 5EC is a little bigger and darker than the 5E.
wedgemouthpiece-a.jpg 7BC Wedge Mouthpiece
$196.95
The 7BC is an excellent choice for a player using a Bach 10½C or similar mouthpiece. The cup shape is more V shaped than the Bach counterpart, but the 7BC produces an equally full sound with less cup volume. This is a fairly dark sounding mouthpiece despite the relatively small diameter.
wedgemouthpiece-a.jpg 7BCm Wedge Mouthpiece
$196.95
The 7BCm is an excellent choice for a player using a Bach 10½C or similar mouthpiece. This is a fairly dark sounding mouthpiece that feels quite roomy despite the relatively small diameter. It plays a little bigger than the 7Bm. The 7BCm is the closest model we offer to the Bach 10½C.
wedgemouthpiece-a.jpg Townson model Wedge Mouthpiece
$196.95
The Townson model was developed for Vancouver performer and arranger Terry Townson. It is based on a 7 rim size that is scaled up by .005 inches and a Gabriel rim (an extra wide cushion rim with less lateral dip than either the standard or cushion rim, the Gabriel is an excellent choice for those players who feel too much pressure on the top lip from the cushion rim). The cup is a D cup. This is an excellent mouthpiece for someone looking for a diameter similar to a Bach 10½ but with a medium shallow cup.
wedgemouthpiece-a.jpg 7Bm Wedge Mouthpiece
$196.95
The 7Bm is an excellent choice for a player using a Bach 10½C or similar mouthpiece. This is a fairly dark sounding mouthpiece that feels quite roomy despite the relatively small diameter.
wedgemouthpiece-a.jpg 7E Wedge Mouthpiece
$196.95
The 7E is an excellent choice for someone playing a Schilke 13A4a mouthpiece. It is our second most popular lead mouthpiece size. The diameter is about the same as a Bach 10½C with a shallow cup that can be fairly dark, or that can produce a cutting lead sound when desired. The 7E is a little smaller and shallower than the 7EC, with slightly better upper register performance for most players.
wedgemouthpiece-a.jpg 7EC Wedge Mouthpiece
$196.95
The 7EC is an excellent choice for someone playing a Schilke 13A4a mouthpiece. It is our second most popular lead mouthpiece size. The diameter is about the same as a Bach 10½C with a shallow cup that can be fairly dark, or that can produce a cutting lead sound when desired. The 7EC is a little bigger and darker than the 7E.
wedgemouthpiece-a.jpg 10½C Wedge Mouthpiece
$196.95
Benefits of the Wedge Mouthpiece Reported by Players

Improved core to the sound in all registers
• Greater comfort
• Increased range
• Better flexibility
• Better endurance
• Less lip swelling
• Better articulation
• Easier multiple tonguing
• A more forward focused, closed aperture setup with a cleaner sound
• A darker, richer lower register on the shallow models in the line
• Better comfort and better sound if you have braces


Downsizing With the Wedge

Numerous players have reported great success in going to a smaller mouthpiece when switching to the Wedge.

There are often four limitations when switching to a smaller mouthpiece with a conventional rim.

Less room for swelling, causing the sound to close off or shut down after playing for a while, especially in the upper register.

• Less central lip mobility because the embouchure is restricted by the smaller diameter. This impairs flexibility makes things feel cramped.

• A smaller sound.

• Poorer articulation.


The nature of the Wedge tends to overcome these limitations. Most players report less swelling with the Wedge because of improved blood flow in and out of the central part of the embouchure. This means that a smaller mouthpiece can often be used, since there is less need to allow for more lip in the cup as swelling occurs. The sloping shoulders of the Wedge provide much better range of motion at the corners, which translates into better control of the central vibrating portion of the lip. A smaller mouthpiece therefore does not pin the embouchure in place at the corners when using a Wedge the way a conventional smaller rim would. This means that even with the smaller size flexibility is maintained and the smaller size feels more comfortable and less cramped because the lips are more free to move.

The Wedge tends to sounder bigger, with more core to the sound, compared to a conventional mouthpiece. Smaller, shallower Wedge mouthpieces do not take on the stuffy, nasal character of smaller sized mouthpieces with a conventional rim. They also tend to sound more consistent and bigger in the upper register.

Most players report improved attacks and cleaner articulation on the Wedge, especially with multiple tonguing. This offsets the impaired articulation often experienced with smaller cup sizes. These characteristics mean that many players can go down at least one size when switching to the Wedge without sacrificing the quality of their sound or attack. The advantages of the smaller size usually include improved range and endurance. So if you have been thinking of a switch to a mouthpiece of a smaller size the Wedge may help you to get the advantages of the change without some of the limitations.

Will the Wedge Work for You?

Experience is demonstrating that there are two types of players: Wedge "responders" and Wedge "non-responders".

Wedge Responders usually know fairly quickly that the mouthpiece will work for them. It feels as comfortable or more comfortable than their current mouthpiece. Many players report an immediate and sometimes dramatic improvement in performance. The initial level of comfort and improved playing tends to evolve quickly over the first week or two. Advances in players with previously stable abilities are still evolving after six months.

An intermediate group of less dramatic Responders finds that the Wedge is comfortable, and plays as well as their current equipment, but is not dramatically better on initial assessment. There is however a gradual improvement over subsequent weeks. Some of these players have converted to the "dramatic" Responder group with a change in size.

A small group of "Non-responders" find the Wedge uncomfortable or not as good as their current gear.

At this point about 25% of mouthpieces purchased on-line or over the telephone are being returned. 15% are being exchanged for a different size. The return rate on mouthpieces purchased after being fitted in person is less than 10%. Since October 2007 we have been collecting feedback from players who have tried the Wedge. Results have been very consistent, with the exception of improved outcomes in players who are fitted in person at a trade show.

Actual numbers fluctuate slightly over time, but results indicate that players are indeed enjoying improved comfort (60%), endurance (60%), ease of upper register (60%), and flexibility (60%), and sound in all registers that is as good or better than their regular mouthpiece (90%). Only about 10% rate it as not as good as their current mouthpiece. Overall 75% of responders rate the Wedge as superior to their regular equipment.

Design Concepts

sloping rim at the sides
The areas of the rim in contact with the corners of the embouchure slope sharply away from the center of the mouthpiece. The rim is therefore narrower at the sides than the on the upper and lower segments. Hence The Wedge name.

varying rim contour and high point
The contour and position of the high point changes around the rim. The parts in contact with the upper and lower lips have a high point shifted to the outside by a slight rounding of the inner rim. This produces a relatively soft bite and a sloping contour of the rim.

shifted lateral rim contour medially toward the center of the mouthpiece
The shape of the side rim has the effect of moving the inner cup border toward the middle, and contributing to a slightly oval shape to the cup. The long part of the oval is pointed up and down when playing.

lateral dip of rim contour
The sloping shoulders also cause a dip in the profile of the rim when viewed from the side. This dip is designed to transfer pressure from the side to the upper and lower rims.

changing inner rim bite
The changing rim contour produces a changing inner rim bite, which is sharper and narrower at the sides than on the upper and lower rim.

How Wedge Mouthpieces Work

The Wedge trumpet mouthpiece differs from conventional mouthpieces in several important ways.

The parts of the rim touching the corners of the embouchure slope away from the center of the mouthpiece. This shifts the high point of the rim toward the inside, and makes the sides narrower than the upper and lower parts of the rim.

• The parts of the rim touching the middle of the upper and lower lip are the same width as a conventional rim, but have a gradual slope, with the high point shifted to the outside. The combination of rim contours produces a slightly oval cup.

• The sides of the rim touching the corners of the embouchure dip down when viewed from the side.


These features have a very special effect on how the Wedge mouthpiece plays. The sloping shoulders and dip in the side rim decreases the amount of contact and pressure on the embouchure at the corners. The mouthpiece therefore interferes less with the movements of the lips. With less pressure at the sides of the mouthpiece the player is forced to use the corners to produce a more efficient, forward focused, closed aperture.

The improved range of motion at the corners and solid contact with the top and bottom lip make it easier to open the corners and to return them to the optimal playing position when taking a quick breath. Decreased mouthpiece pressure at the corners also improves blood flow in and out of the central part of the lips, improving endurance and decreasing swelling. The slight slope of the upper and lower rims produces top to bottom lip compression and improved range, rather than cutting off the note as moderate pressure is applied.

The Wedge mouthpiece in most cases increases the range available to the player. It does not do this the way a shallow or small mouthpiece does, by producing a bias towards upper register performance. Instead it expands the "dynamic range" on the instrument. Both lower register and upper register performance is enhanced, producing a bigger sound throughout the entire range of the horn. The spread between the lowest, fattest note and highest note that can be played is increased. Depending on the characteristics of the Wedge mouthpiece selected the improved performance in either the upper or lower register may be more evident at first. In some cases the lower register is fuller and easier while the upper register is unchanged or more challenging. This almost always means that a change to a smaller or shallower Wedge will shift the mid point of the range up and return lower range performance to the same level as a conventional mouthpiece while providing improved upper range performance.

The effect of using a Wedge is improved comfort, endurance, range, articulation and flexibility without sacrificing any other aspect of mouthpiece performance. The Wedge is simply a more efficient design.

Wedge Playing Instructions

Many players have difficulty figuring out how to position the Wedge when they see it for the first time. This is because it is completely different from anything they have experienced before.

The Wedge is always played with the sloping shoulders at the sides as shown, never top and bottom. This orients the long axis of the slightly oval shaped cup up and down, not sideways like other oval mouthpieces.

It takes very little time to get used to the Wedge. The trick is to get the feel for the more centrally focused embouchure and go with it. Think "pucker" and "gripping" the sides of the mouthpiece with your chops. Another approach is to try to feel your lips fill the gap between them and the sloping lateral shoulders of the mouthpiece. This seems to encourage a more focused, central set up with the mouthpiece.

You may note a sensation that the corners are not supported, and may initially even notice some leak of air there. Do not be concerned. This indicates that you have been relying on your mouthpiece for corner support. The leak will go away as you get used to the mouthpiece and as it works on your chops over a few days to produce a more closed setup with lots of natural vertical compression. Performance will improve as a result.

Backbore Options

Large (L) 27
Similar to a Bach 24, or Warburton 10 backbore. This is a large orchestral backbore.

Large (L) 25
This is the 25 throat version of the Large 27 for a more open blow.

Medium Large / Large (MLL) 27 (Engstrom 27)
This backbore has an upper component intermediate in size between the ML and L sizes. It is designed for use with a Large shank.

Medium Large / Large (MLL) 25 (Engstrom 25)
This is the 25 throat version of the Engstrom 27

Medium Large (ML) 27
This medium large backbore resembles a Bach 10 or Warburton 7 backbore. It is a good choice for all round use.

Medium Large (ML) 25
This is the 25 throat version of the ML 27.

Medium (M) 27
This is a medium sized backbore similar to a GR #2. It has a more compact sound and offers a little more resistance than the ML.

Medium (M) 25
25 throat version of the M25 for a more open blow.

TT 27
This is our smallest commercial backbore, designed for endorsing artist Terry Townson. It is comparable to a Warburton 4 or 5.

TT 25
This is the 25 throat version of the Townson backbore.

Small (S) 27
This backbore is similar to a Schilke A or Warburton Q backbore. This is a tight commercial backbore. Although many players prefer a larger backbore on the Wedge, this remains a good choice for those who want more resistance and a compact sound.

Small (S) 25
25 version of the S 27 backbore.

Warburton Backbores

The Wedge was originally designed to be used with Warburton backbores. Warburton backbores have a #27 (0.144") throat. Many players seem to like the Wedge on a top and backbore reamed to a #25 throat---write a note in the Ordering Options box on the Shopping Cart page for this option. Wedge reams the backbore to 0.002" larger than the top, just as in the Wedge backbore, in order to avoid any disruption of air flow at the joint.

4, 5, 6
Tight to medium. With progressively less resistance, these models produce a bright and very projecting tone. The #5 is by far our most popular with strong lead players.

Q Backbore
New in 2004, the Q is our most aggressive backbore, preferred by lead players who also need to maintain dominance in the middle register without spreading or over-loosening their chops.

KT Backbore
Added to the line in mid 1987, this backbore appeals to commercial/lead players and is characterized by its projection and secure slotting of notes above high C. The comparative resistance falls in the 4, 5, 6 series.

7, 8, 9
Medium large sizes. The #7 has been our best selling model for the past seven years. This series produces a quality of sound acceptable in the orchestra as well as the concert band. Models #8 and #9 are very well received by the orchestra player who appreciates the increased volume of sound with less resistance.

10, 11, 12
Very large "Symphonic" sizes. These models have very little resistance and offer the strong player the potential for the ultimate in full, rich sound.