Griego Bass Trombone Mouthpiece Gerry Pagano Model GP7 L Large Shank, Silver Plated Cup Diameter: 29.27mm Throat Diameter: 7.77mm Lightweight ★ Mint condition, only tried a few times after purchasing new. Suggested Retail Price (including tax): ¥46,750 The GP7 L is a model supervised by "Gerry Pagano," the bass trombone player of the St. Louis Symphony Orchestra. It has a thin rim and a large cup with an inner diameter of 29.27mm, but it achieves clear high notes, lively low range, and a sound that doesn't become too bright. Larger inner rim diameter than GP6. Cup depth / throat diameter are the same size as GP and GP6.