This vintage vacuum tube manufactured by GE, model 6DQ6B, is a rare find for collectors and enthusiasts of vintage electronics. Made in the United States, this unit is in excellent working order and is guaranteed to provide the authentic sound and performance expected from a vintage vacuum tube. Designed for use in audio and video equipment, this unit is sold individually and can be used to replace worn out or damaged tubes in vintage equipment. The brand, GE, is well-known for their quality products and this tube is no exception. Don't miss the opportunity to add this vintage vacuum tube to your collection.This tube is from the estate of a collector and has not been tested by this seller.