New old stock from closed music store. New never installed. I have 2 available. The NOS Compression Driver Replacement Diaphragm PSD3003-16DIA is a high-quality diaphragm designed for use with Eminence speakers. Made in the USA, this diaphragm is compatible with models such as the PSD:3006-16 and N320T-16, ensuring a perfect fit and reliable performance. Upgrade your pro audio equipment with this top-notch diaphragm to enhance your sound quality and experience.