This vintage RCA vacuum tube, model 11CH11, is a true gem for collectors and enthusiasts of vintage audio and video equipment. Made in the United States, this tube is a high-quality piece that is sure to impress. With its classic design and reliable performance, this RCA vacuum tube is perfect for anyone looking to add a touch of vintage charm to their setup. Whether you're a seasoned collector or just starting out, this tube is a must-have for any enthusiast. So don't miss out on this opportunity to own a piece of vintage electronics history!