Stork Studio Master Trumpet & Flugelhorn

Model Overall Length Backbore Bore Cup
LT 3.285 very tight #28 very shallow
LD 3.140 tight #27
LX 3.140 tight #27
LTV 3.285 very tight #28 shallow/more bowl
XV 3.140 tight #27
LDV 3.140 large #27
SP (trpt) 3.275 tight #27 shallow/"C" shape
SP (crnt) 2.800 tight #27
LTS 3.285 very tight #28 medium shallow
XS 3.140 tight #27
LDS 3.140 large #27
VMS 3.310 large #27 shallow "V" shape
XMS 3.310 tight #27
VM 3.310 large #27 medium shallow "V"
XM 3.310 tight #27
FLS Standard medium #22 deep "V"
FL Standard medium #18 very deep "V"
Each model is available in 4 different inner diameters:
Model Rim Cup Diameter
2 semi-wide 17.75mm
4 standard 16.5mm
6 semi-wide 16.25mm
10 semi-wide 15.25mm

Explanation of Backbores


Extra resistance for those players who like the feeling of "something to push against." Choose the cup depth that best accommodates your personal needs allowing for adequate room for free vibration and sound production.


"Wide open" pieces in three different cup depths. These models favor those players who may have wanted to use a shallow mouthpiece in the past, but felt they never could get enough air into them.


Intended for use on the piccolo trumpet. Even though the cup is shallow, it still has plenty of "bowl" to help warm the sound. These models are available in either trumpet of cornet shank

VM and VMS

Preferred "crossover" pieces. These models are great favorites among players doing "Pops" concerrs, stage shows and musicals.

LX, XV, XS, XMS, and XM

Feature the same cup choices as those models above of the same shank length, but with a tighter backbore. While these models are still more free blowing than most shallow mouthpiece designs, they offer just a bit more resistance than their counterpart models.