Marantz Model 18 Receiver

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General Description Made in Woodside, NY - Hand painted Dial Retail Price 695 Designed in USA Manufactured In USA First Year 1968 Last Year 1972 Blue Face Yes Gold Face yes Channels Two Tube Design One (scope) Tube Count 1 (CRT) FET Count 4 Transistor Count 73 Diode Count 76 Speaker Connections Two Chassis Ground Knurled Post AC Switch Yes Unswitched AC Outlets 1 Special Option 1 Hand-calibrated FM dial

Physical Panel Width 18 1/4 Panel Height 5 3/4 Depth 16 Weight 46, shipped

Amplifier RMS Power Per Channel 40 @ 8 or 4 ohms, 20 @ 16 ohms Damping Factor @ Load Impedance 30 @ 8 ohms Total Harmonic Distortion (THD) 0.2% @ full power Power Bandwidth 10 Hz to 30 KHz Frequency Response greater than 20 Hz to 20 kHz Hum and Noise -80 dB, 1uV equiv. Input Signal to Noise Ratio 80 dB Intermodulation Distortion (IM) 0.2% max Output Impedance(s) 4, 8 or 16 ohms, unconditionally stable

FM Tuner Gyro Tuning Yes RF Sensitivity 2.8 uV 300 Ohm Binding Posts Screw Terminals 75 Ohm Binding Posts Screw Terminals 50 dB quieting sensitivity, Stereo 5 uV 50 dB quieting sensitivity, Mono 5.0 uV Ultimate Quieting 70 dB @ 50 uV THD, Mono 0.20% Stereo Subcarrier Rejection -60 dB Stereo Separation at 1 kHz 45 dB Carrier Suppression 60 dB Signal Strength Meter Scope Center Tuning Meter Scope Muting Switch yes Oscilloscope Yes Scope Tube Telefunken Part # D 3-11 GJ Scope Horizontal Position Adjustment yes Scope Vertical Position Adjustment yes Scope Brightness Adjustment yes Scope Focus Adjustment yes Scope Tuning Indication Yes Scope Multipath Indication Yes

Preamplifier Tape to Tape Dubbing Yes, via front panel jacks Auxillary Input Source Yes 2nd Auxillary Input Source Yes Phono Input Source Yes 2nd Phono Input Source Yes Tuner Source Input Yes Source Tape Input (as opposed to a tape monitor) Yes Tape Monitor Yes Headphone Jack(s) Yes Speaker Selection Nomenclature Main, Remote