67.4C2.8 Trumpet Mouthpiece Diameter and rim profile are similar to a 1 ¼ with GR improvements. The alpha angle is Medium low and bite is bit softer
IPE Problems PDF
The GR 67.4 cup diameter is similar to a conventional 1 1/4 diameter. Medium low alpha angle with softer than medium bite allowing for maximum lip
GR 67.4 C-2.8 Compu Balanced
IPE Problems PDF
GR|トランペットマウスピース - JoyBrass
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IPE Problems PDF
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GR 67.4 C-2.8 Compu Balanced
IPE Problems PDF
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GR 63xes⭐︎ 50%OFF
GR 67M 最大71%オフ! - その他