Trumpet French Horn

Trumpet Mouthpieces
MODEL No. RIM CUP DEPTH THROAT (mm) BACKBORE PLAYING CHARACTERISTICS
INNER DIAMETER (mm) CONTOUR THICKNESS
7A4-ST 16.0 semi-flat thick shallow 3.65 narrow Relatively small inner rim diameter, but still flexible. Perfect for piccolo or lead trumpet.
11B4-ST 16.4 semi-flat standard semi-shallow 3.65 semi-narrow A somewhat shallow cup and medium rim for extra endurance. Brilliant tone. Suitable for D, Eb , and piccolo trumpets.
14A4a-ST 16.7 semi-flat semi-thick shallow 3.65 semi-narrow Fast-response high range and powerful sound. Ideal for piccolo or lead trumpet.
14B4-ST 16.7 semi-flat standard shallow 3.65 semi-narrow Relatively large rim diameter and shallow cup. Outstanding overall balance for all musical genres.
16C4-ST 17.0 semi-flat standard standard 3.65 semi-narrow Large rim and medium cup for easy playability over a wide range. High volume. Excellent for symphony orchestra players.
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French Horn Mouthpieces
MODEL No. RIM CUP DEPTH THROAT (mm) BACKBORE PLAYING CHARACTERISTICS
INNER DIAMETER (mm) CONTOUR THICKNESS
30-ST 17.08 standard standard standard (double-cup) 4.40 semi-narrow Smaller inner rim diameter than the 31. All-around type. Shallow "U" cup facilitates high notes, while a deep "V" makes low notes easy.
31-ST 17.28 standard standard standard (double-cup) 4.40 semi-narrow Medium rim configuration provides flexibility for difficult passages. Relatively large throat delivers a heavy, somewhat dark tone with extra volume.
32-ST 17.48 standard standard standard (double-cup) 4.40 semi-narrow Larger inner rim diameter than the 31. Authoritative low notes. Large cup volume for a rich, mellow tone.
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