This vintage Sylvania 84/6z4 vacuum tube is a must-have for any collector of vintage electronics. With a brand like Sylvania and model number 84, this tube is sure to add value to any collection.

The tube is compatible with a variety of vintage electronics, including audio and video equipment, and comes from a time when quality was the top priority. Whether you're looking to use it or display it, this Sylvania 84/6z4 vacuum tube is an excellent addition to any vintage electronics collection.