BetaGems are culled from an archive of over 1000 beta video tapes recorded from 1983 into the 1990s. Most feature live music performances broadcast on television in San Diego CA, though there are also rarely seen commercials, comedy clips, and other material that doesn't seem to be anywhere else on Youtube or online. Most of the tapes were recorded on a Sony SL-HFT7 Super Beta Theater Hi-Fi Stereo - the same model was refurbished and is being used for these digital transfers and uploads.