Like all fine Gretsch resonator guitars, the vital feature of the G9241 is the all-new Gretsch Ampli-Sonic diaphragm (resonator cone). Hand-spun in Eastern Europe from nearly 99-percent pure aluminum, the Ampli-Sonic diaphragm yields an impressive quality and volume of tone. The G9241 also features a Fishman Nashville Series Resophonic Pickup • MFSKU 2718015503 • UPC 885978872473