Marantz 4270

    Specifications:

        Power Output: 70 Watts X2 or 25 Watts X4 RMS into 8 ohms.
        Total Harmonic Distortion: 0.3%
        Power Bandwidth: 8Hz to 60kHz
        Damping Factor: 40 (8 ohms)
        FM Sensitivity: 1.9uV (30dB Quieting)
        FM THD: 0.3% Mono, 0.4% Stereo
        FM Stereo Separation: 40dB (at 1 kHz)

    Controls:

        Dolby Play Cal Left
        Dolby Play Cal Right
        Dolby Record Cal Left
        Dolby Record Cal Right
        Dolby: FM Dolby, Play, Off, Record 1, Record 2.
        Selector: AM, FM, Phono, Aux/CD4, Tape 1, Tape 2.
        Mode: Mono, 2-CH, Discrete, Vari-Matrix, SQ-Decoder
        Dimension: Vari-Matrix Mode Only
        Bass: Independent Front, Rear
        Mid: Independent Front, Rear
        Treble: Independent Front, Rear
        Volume
        Balance: Front, Left Right (Slider)
        Balance: Front, Rear (Slider)
        Balance: Rear, Left Right (Slider)

    Switches:

        Monitor: Source/Tape
        Monitor: Tape 1/2
        Meter: Dolby Level/Signal Strength
        400 Hz Tone
        Hi Filter
        Loudness
        FM Muting
        Spkr Main
        Spkr Remote
        Power

    Jacks:

        Headphones Front
        Headphones Rear

    Indicators:

        Dolby Level/Signal Strength Meter
        Tuning Meter
        STEREO
        AM
        FM
        PHONO
        4-CH
        AUX
        TAPE 1
        TAPE 2
        DOLBY

    Rear Panel:

        AC Outlet Unswitched
        AC Outlet Switched
        FM Quadradial Output
        Main In Left, Right, Front, Rear
        Pre Out Left, Right, Front, Rear
        Tape Monitor 2 Out (L, R, F, R)
        Tape Monitor 2 In (L, R, F, R)
        Tape Monitor 1 Out (L, R, F, R)
        Tape Monitor 1 In (L, R, F, R)
        Aux Input (L, R, F, R)
        Phono Input (L, R)
        Remote Control
        Power Mode: 70W X2/25W X4