Vintage Rotel brochures cover models RB890, RB870BX, RB850, RC870BX, RC850, RA870BX, RA840BX4, RA820BX4, RA820AX, RA810A, RD870, RTC850, RT870, RT850A, RT830A, RD865, RD855, RD845, RCD855, RP855.