The Sony SL-HF450 is a highly capable, vintage Super Betamax video cassette recorder introduced by Sony in 1988. Originally retailing for an upscale $750 (which translates to roughly $1,500+ in modern currency inflation), it stands as a favorite model among analog media preservationists because it features fully integrated Beta hi-fi Stereo circuitry and advanced video playback compatibility natively on a single chassis.