A cathode ray tube (CRT) is housed in an enclosure by using four clamp devices, two wedges and a housing. The clamp devices are located at the corners of the CRT and are secured to the enclosure with screws. The CRT rests on the housing, which is preferably comprised of fixed posts that the CRT rests on top of. The wedges, preferably made of rubber, are placed between the CRT and the enclosure and usually located at the top of the CRT. The clamp devices, housing and wedges are used to secure the CRT in the enclosure.