Yamaha Eric Miyashiro Trumpet Mouthpiece Size:M1 The POWER RING provides both

The POWER RING provides both a significant improvement in performance and greatly enhanced visual appeal

the ATM350U UniMount® mounting system gives you the tools to perform with confidence

72 Relatively large throat diameter with a sharp shoulder

and can be upgraded with a variety of lip plates and risers

Yamaha Eric Miyashiro Trumpet Mouthpiece Size:M1 The POWER RING provides bothTwo cup sizes available. Fatigue free rim bite makes it ideal for lead trumpeters. Two cup sizes available. Fatigue free rim bite makes it ideal for lead trumpeters. Model no. 1 TR EM1 Rim Inner Diameter: 16. 02 Rim Contour: Semi round Rim Thickness: Thin up Depth: Very shallow Throat: 3. 65 Backbore: Very narrow Model no. 2 TR EM2 Rim Inner Diameter: 16. 22 Rim Contour: Semi round Rim Thickness: Thin Cup Depth: Very shallow Throat: 3. 65 Backbore: