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BEST BRASS Best Brass Horn Mouthpiece HR-7C AX Gold
Product Details
Purchased about 4 years ago, but not used frequently. There are some scuffs, but I believe it is in beautiful condition.
HR-7C AX Gold Plated for European Shank (European-Axial model)
Rim Inner Diameter: 17.200mm
Cup Depth: Medium
Throat Diameter (mm): #16 (4.50)
Back Bore: HR-ML
Rim Width = 3.650 (mm) / Rim Shape = Slightly rounded
Rim Top Balance = 41% / Rim Bite = Sharp
This model has a slightly smaller rim inner diameter than the HR-5C AX. It retains the rich resonance of the HR-5C AX while also allowing for easier playing in the high register. It is versatile and pairs well with both wide and narrow bell instruments.
Equivalent model from other manufacturers: Bach 11
https://www.bestbrass.jp/mouthpiece/mp_line-up.php
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.






