Yamaha TR14B4 QLZ Bocchino Tromba

Standard Series Model No.Rim Inner Diameter (mm) Throat(mm)CharacteristicsTR-5A4 15.90 3.65 Extremely small inner rim diameter. Flat and wide. Small cup volume. Ideal for lead trumpet. TR-6A4a 15.90 3.65 Very shallow cup for easy high notes. Good for big-band type lead trumpet. TR-7A4 16.24 3.65 Relatively small inner rim diameter, but still flexible. Perfect for piccolo or lead trumpet. TR-7B4 16.08 3.72 Relatively large throat diameter with a sharp shoulder. Bright sound with easy high notes. TR-8C4 16.19 3.65 Good for all-around playing, including solos. Combines an extended high range with rich lows. TR-9C4 16.28 3.65 Somewhere between the 8C4 and 11C4, affording easy playability over a wide range. Well-defined rim bite for easy blowing and extended endurance. TR-11A4 16.46 3.65 Medium rim diameter with a shallow cup for easy high notes. Ideal for piccolo trumpet and jazz idioms. TR-11A5 16.38 3.65 Wide rim shallow cup with a slightly large back bore delivers a rich upper range with ease. Well-suited for piccolo trumpet. TR-11B4 16.46 3.65 A somewhat shallow cup and medium rim for extra endurance. Brilliant tone. Suitable for D, Eb, and piccolo trumpets. TR-11 16.32 3.72 Relatively large throat with a sharp shoulder. Easy to play over the entire range, with a fairly bright sound. Good for beginners. TR-11C4 16.46 3.65 Clean bite and well-balanced rim for all-around playing. Standard model for beginners and advanced players. TR-13A4a 16.20 3.65 Relatively flat rim with a shallow cup for fast response. Ideal for piccolo and lead trumpet. TR-13B4 16.63 3.65 Superb clarity for large ensembles and orchestras. Well-matched to C trumpets. Powerful sound. TR-13C4 16.50 3.65 Medium rim diameter and cup volume for allaround playing. Good for ensembles and orchestras. Fairly dark sound. TR-13D4 16.68 3.65 Fairly deep cup with rich, mellow tone. A dark sound that is ideal for orchestra players. TR-14A4a 16.68 3.65 Fast-response high range and powerful sound. Ideal for piccolo or lead trumpet. TR-14B4 16.85 3.65 Relatively large rim diameter and shallow cup. Outstanding overall balance for all musical genres. TR-14C4 16.88 3.65 Rim designed for outstanding facility and flexibility. Popular in ensembles and orchestras. Can produce high volume. TR-14D4 16.80 3.65 A fairly deep cup with a medium rim. Rich, somewhat dark tone. Well suited to orchestral playing. TR-14E4 16.84 3.88 The 14B4 rim with a unique cup for a soft tone. For rotary trumpets. Large backbore and throat. TR-15B4 16.96 3.65 Fairly large rim diameter with a shallower cup than the 15C4. Outstanding flexibility. Suits Bb, C, D, and Eb trumpets. TR-15C4 16.98 3.65 Clean rim bite with a standard U-shaped cup. Bright, powerful tone. For advanced players. TR-15E4 16.92 3.88 Rim designed for outstanding facility and flexibility. For rotary trumpets. Between the 14E4 and 16E4 in size. TR-16C4 17.00 3.65 Large rim and medium cup for easy playability over a wide range. High volume. Excellent for symphony orchestra players. TR-16D 17.14 3.65 A deeper cup than the 16C4. Soft tone. Mellow-but-solid sound that is ideal for orchestras. TR-16E4 17.14 3.88 The 16C4 rim with a unique deep cup. Heavy tone. For rotary trumpets. Maximum inner rim diameter. TR-17B4 17.30 3.65 A good combination of large rim and relatively shallow cup. Powerful sound. A good choice for orchestra first-chair players. TR-17C4 17.30 3.65 Deeper cup than the 17B4. Powerful, dark sound. A popular choice with symphony orchestra players. TR-17D4 17.30 3.65 An even deeper cup than the 17C4 for an exceptionally dark, heavy tone. Good for symphony orchestra players who prefer a mellow sound. TR-18C4 17.42 3.65 High volume with an exceptionally large inner rim diameter and deep cup. For advanced orchestra players.