This vintage Raytheon 6CU5 audio electronic tube is a must-have for any ham radio enthusiast or collector. Made in the United States, this NOS tube is of high quality and is sure to bring your vintage audio equipment to life. With a unit quantity of 1, this tube is a rare find and will make a great addition to your collection. The model 6CU5 is a reliable and durable choice for any audio application. Don't miss out on this opportunity to own a piece of vintage audio history.