Standard Series
| Model No. | Rim Inner Diameter (mm) | Throat (mm) | Characteristics |
|---|---|---|---|
| HR-29B | 17.07 | 3.90 | Fairly thick rim with a relatively small inner diameter for superior high tone. Medium throat for easy all-around playing. |
| HR-29C4 | 17.08 | 3.98 | Ideal for Bb/HF horns. Relatively sharp shoulder and medium throat for clear tone. |
| HR-29D4 | 16.88 | 4.50 | Double-cup combining medium and extra-deep “V” cups. Fairly small inner diameter, but with a large throat for rich tone. |
| HR-30B | 17.27 | 3.90 | Standard “V” cup model with a larger inner rim diameter than the 29B. Smooth airflow. Ideally matches horns with a very narrow bell. |
| HR-30C4 | 17.28 | 3.98 | Medium inner rim diameter and “U” cup for fast response. Standard type with ideal resistance and powerful, rich tone. |
| HR-30D4 | 17.08 | 4.50 | Exceptionally rich tone. Matches horns with a wide bell. Excellent stability on high notes. |
| HR-31B | 17.47 | 3.90 | Medium inner rim diameter with a “V” cup for a “traditional” soft horn tone. High volume over a wide range. A good match for horns with a narrow bell. |
| HR-31D4 | 17.28 | 4.50 | Heavy tone and high volume. Relatively flat rim of medium thickness for easy playability. |
| HR-32B | 17.67 | 3.90 | Large inner rim diameter for outstanding lownote tone. Largest “V” cup in the lineup. Rich, mellow tone. |
| HR-32C4 | 17.48 | 3.98 | Plenty of volume. Relatively flat rim of medium thickness for easy playability. |
| HR-32D4 | 17.48 | 4.50 | Largest double-cup in the lineup. Also ideal for Wagnerian tuba. Large cup volume for a dark, heavy sound and easy low notes. |
| HR-33C4 | 17.68 | 3.98 | Large “U” cup. Can deliver a big, expansive sound. For advanced players. |
| HR-34B | 18.07 | 3.90 | Largest “V” cup in the lineup. Happy sound and low notes. For advanced players. |
| HR-34C | 17.81 | 4.09 | Plenty of volume. U cup for powerful performance. Relatively thin rim for easier high notes. |
| HR-34C4 | 17.88 | 3.98 | Plenty of volume. “U” cup for powerful performance. |
| HR-35C4 | 18.08 | 3.98 | Largest “U” cup in the lineup. Can deliver a heavy sound. Suitable for large orchestras. |
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Yamaha 29D4 Review
Upgraded to a 29D4 upon Ken Pope's recommendation. The diameter of the cup as well as the width of the rim feels natural and well proportioned on my embouchure. The deep cup allows for a deep resonant sound on my Geyer wrapped horn with clarity, centered pitch, and improved accuracy. Comfortable and satisfying to play upon which inspires one to be more confidence while playing on outer edges of one's range and dynamics threshold. A very satisfying pre-sales, purchase, and post sales experience with Ken. Thank you Ken. All may fee free to reach out for additional comment/questions. -Vince Russo vincerusso@optonline.net
