TubeDepot is a company that specializes in vacuum tube products, including vacuum tube amplifiers, preamps, and other audio equipment. They also sell various vacuum tube-related components, such as sockets, capacitors, and resistors, as well as educational resources and information on vacuum tube technology. TubeDepot was founded in 2002 by two friends, Shane Dunlap and Mark Michel, who shared a passion for vacuum tube technology and vintage audio equipment. Today, the company is headquartered in Memphis, Tennessee, and serves customers around the world through their online store. TubeDepot offers a wide range of products for both hobbyists and professionals, including DIY kits for building your own tube amplifier or preamp, as well as fully assembled and tested products for those who prefer to buy a finished product. The company also offers a variety of vacuum tubes, including NOS (new old stock) tubes and modern production tubes from respected manufacturers.