For Sale Los Angeles Benge, Model 3X+ The 3X+ indicates a .464 bore. It doesn't take much air to fill up and is fluid throughout the registers. Silver is about 98%, but valves are fast and compression is strong. Lead pipe has alittle bubbling, but according to tech it has a lot of life left. Has a great slotting A above high C and this horn truly is a player. Recently got a Chicago Benge, so wanted to pass on this great playing horn $1000 includes shipping Send me your email and I can send pictures.