Stereo Preamp, Excellent condition, very good cosmetic, Stereo Control Center, Inputs-(Tuner, 2 aux, 2 phono, 2 tape monitor loops) gain control for phono 2 / 20db Mute Switch, phono impedance controls, Toned dereat, L/R bass and treble controls, bass and treble filters, stereo, reverse L+R, L, R, Mode switch, sounds like/design similar to MAC preamps (individual resistor/circuits for tone control) highest quality parts used.