Plastic Trumpet Top

USD $90.00
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Some rim size and cup combinations are not available because they are not conventional. For example, a .620 rim with a deep cup is not practical for most players, neither is a .680 rim with an extra-shallow cup. Please contact us if the top you would like to order is not available.

Material - Trumpet tops can be made in either Delrin or Acrylic plastic. Here is a comparison of their characteristics:

  • Delrin:
  • Feels softer on the chops because it has more give than metal. This is a great advantage for players with braces.
  • Not as slippery as silver, giving more grip.
  • Added grip makes Delrin mouthpieces feel smaller than their metal counterparts with the same size designation.
  • Not as smooth as metal, so some players may feel slight chop irritation for the first day or two while they adjust.
  • More comfortable to play in cold weather because they feel warm on the chops.
  • Plastic mouthpieces are more responsive than brass, making soft entries more secure.
  • Articulation less crisp with less point at the front of the note compared to brass.
  • Darker sound than brass.
  • Less core in the sound compared to brass.adfDSFDSFB
  • Sounds darker than brass mouthpiece when used with brass or stainless steel backbore.
  • Acrylic:
  • Feels softer than brass but less soft and Delrin on the chops.
  • Less slippery than metal but more slippery than Delrin.
  • Grip intermediate between Delrin and silver.
  • Feel slightly smaller than the metal counterparts.
  • Smoother than Delrin, very similar to silver.
  • Comfortable to play in cold weather.
  • Responsive to soft articulation.
  • Articulation is clearer than Delrin, very similar to metal.
  • Sound is slightly darker than brass and brighter than Delrin.
  • More core in the sound than Delrin, but not as much core as metal.
  • Sounds very similar to brass when used with brass or stainless steel backbore.

Cup Depths

We offer a full line of cup depths form extra shallow to deep, as well as cups for rotary trumpet.

ES Cup


  • Similar in depth to a Schilke 6A4A or 13A4A cup.
  • Provides maximum brilliance, projection, and slotting in extreme upper register playing.
  • Most suitable for playing lead.
  • Better sounding low register than any comparable extra shallow cup.
  • Works best with Gen 2 rim 66 or smaller (.660 inches or less).  

 LV (Lead V) Cup


  • Double cup design with a shallow upper cup and a second deeper XV cup.
  • The oval shape of the Wedge rim extends through the shallow cup and into the second cup all the way to the throat.
  • Low alpha angle to prevent bottoming out and a cup volume similar to the Gen 2 S cup.
  • Upper register performance of the ESXV is very similar to the Wedge S cup.
  • More open blow, similar to what players would experience with a larger #25 throat.
  • Bigger, broader middle and low register than the S cup, with no loss in upper register performance. 

S Cup


  • Similar to a Schilke 14A4A cup.
  • Excellent projection, slightly less support in upper register than the ES cup.
  • Less prone to bottoming out than the ES cup.
  • Most popular choice for lead when a solid mid to low register is also desired, marching band.
  • Works well to piccolo trumpet when players prefer a brighter sound with more projection.
  • Works best with Gen 2 66 or smaller rim (.660 or less). 

M Cup


  • Versatile medium cup for jazz, concert band, pit, and pops, marching when a lead mouthpiece not needed.
  • Works well for piccolo trumpet.
  • Good balance between upper register support and a balanced sound with solid low register.
  • Works best with Gen 2 67 or smaller rim (.670 inches or less).

MV Cup


  • Intermediate between M and MD cup.
  • Modified V shape at bottom of cup leading into throat.
  • Slightly darker sound than M cup.
  • Better upper register support and more projection than MD cup.
  • Similar in depth to Bach 3C cup. 

MD Cup


  • Excellent all round bowl shaped cup for concert band, orchestral, chamber, and other playing requiring a dark sound.
  • Excellent balance between upper and lower register.
  • Good choice for C trumpet when a little extra brilliance is required, or for orchestral players wanting to add some sparkle to their sound.
  • Works well on all rim sizes, but most popular with rims 65 (.650) and larger.
  • Comparable to many C cups. 



  • Similar to MD cup with a slightly modified V shape at the bottom of the cup meeting to the throat.
  • Slightly darker sound and smoother transitions from note to note.
  • Excellent choice for an orchestral mouthpiece when a slightly darker sound is desired or for players with a naturally bright sound.
  • Our most popular cup for orchestral players.
  • Works well on all rim sizes, but most popular with rims 65 (.650) and larger. 

D Cup


  • Deep cup suitable for players who like an extra dark sound.
  • Similar to a Bach B cup.
  • Popular with players using large cup volume Schilke or similar mouthpieces.
  • Huge sound and low register.
  • Obvious trade off is less upper register support. 

RT Cup


  • Well-balanced V shaped cup for Rotary trumpet.
  • Very efficient despite the deep V shape the cup.
  • Produces a well-balanced, rich sound on Rotary trumpet with ample brilliance at loud dynamics.
  • Also works extremely well for orchestral or jazz players looking for a darker sound and very smooth transitions from note to note.

Throat Size

#27 (.144 inch) is the standard throat size for most mouthpieces, this is the best choice for most players.

#25 (.1495 inch) is a slightly larger throat for a more open blow. Choose a #25 throat if your mouthpiece feels stuffy with too much resistance and you are an advanced player with good breath support.

Backbores - These tops must be used with a metal backbore that can be purchased separately. Wedge tops are compatible with Wedge, Warburton, Pickett, and similar backbores using a 3/8-40 thread. 

We make one and two piece backbores. See descriptions below. 

1 piece vs 2 piece

One piece backbores (1 pc) are the most economical and best choice for most players. They are available in Small, Medium, and Medium-Large, with 27 or 25 throats, and are compatible with our Trumpet Tone Modifier.

Two piece backbores (2 pc) allow for more options:

  • Bb or C length shanks. The shorter C shank improves some of the pitch issues with some C trumpets by raising the pitch of the 4th space E and surrounding notes, reducing the need for alternate fingerings.
  • Regular (R) or Heavy-Weight (HW). Heavy Weight adds mass to the backbore which adds core and darkness to the sound by reducing some of the brighter overtones, while slotting, or the security with which a note locks in, is increased.
  • More sizes area available for two piece backbores, for players who want to dial it in.


  • S - Small – Suitable for commercial lead, well matched to the Wedge LV, ES and S cups. Produces compact, focused sound.
  • TT- Developed for endorsing artist Terry Townson. Intermediate in characteristics between Small and Medium backbore.
  • M - Medium – Suitable for all round playing, well matched to the Wedge M, MV cups. Slightly broader sound while still providing good compression for the upper register. 
  • ML - Medium Large – Symphonic backbore best suited for orchestral and other “legit” playing. Produces broad, resonant sound. Best suited to MD, MDV, RT, D cup.
  • MLL - Medium Large Large - This is the signature backbore developed for Howard Engstrom of the Calgary Symphony Orchestra. It is intermediate between the ML and L backbore.
  • L - Large - This is our largest backbore, similar to a Bach 24. This produces a broad orchestral sound when paired with the appropriate top.

Here is the link to the backbore section of the online store, where you can find links to the different options. BACKBORES

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