Bob Reeves 41SV692s Trumpet Mouthpiece 41/64" Semi-flat with a medium-sharp bite. 41 rim is functionally similar to Bach 7C, 9D, 10 3/4 A,11A, 11C, and Schilke 13-4 rims.
Cup: SV - 0.205" proprietary cup depth Very shallow conical vee shaped cup
Backbore: 692s A very efficient backbore. It causes the mouthpiece to be physically shorter than a conventional mouthpiece. When combined with shallow cups, it makes the upper register very efficient. When combined with very deep cups (like a "B" cup) it allows the darkness in sound of the cup while continuing to assist in the upper register.
Shank: #4 Standard - other sizes available.
Popular Uses: Lead trumpet, commercial, amplified. Similar to 41/ES 692s except with a conical shaped cup.