Yamamoto Sound Craft AD1020 throatConversion adapter 1 pair

AD1020 is 1 inch from Altec or JBLthroatThis is an adapter that converts the driver unit to a 50mm diameter driver unit. After conversion, it is a standard 2 inch for commercial use.throatIt will be the size.Yamamoto Sound CraftIt is also possible to connect to SS-300 horn, F280A, etc. It is a cast aluminum product with black alumite plating, making it extremely durable. If you connect a driver unit of an old design to a horn of the latest design with excellent performance and sound quality, such as a wood horn, you may find excellent musicality that could not be achieved with the original horn.