Marantz Model 2270 Receiver

Front View Rear View Image Attribution: Michael Sobel Date: July 29th, 1999 Service Manual EBay Auction #1209407708 Date: January 21st, 2001

General Retail Price 549.95 Designed in USA Manufactured In USA (Sun Valley), later in Japan First Year 1971 Last Year 1975 Wood Case WC-22 Blue Face Yes Channels Two Speaker Connections Two Pairs Chassis Ground Binding Post AC Switch Yes Switched AC Outlets One @ 100 watts Unswitched AC Outlets One @ 200 watts Power Consumption 500w max, 38 @ idle

Physical Width 16 7/8 Height 5 Depth 14 Weight 38.5 lbs, 49.5 packed

Amplifier RMS Power Per Channel 70 Damping Factor @ Load Impedance 45 Total Harmonic Distortion (THD) 0.3% Power Bandwidth 7 Hz - 50 kHz Intermodulation Distortion (IM) 0.3%

FM Tuner Gyro Tuning Yes RF Sensitivity 2.3 uV 300 Ohm Binding Posts Yes 75 Ohm Binding Posts Yes 50 dB quieting sensitivity, Stereo 50 uV Ultimate Quieting 57 dB @ 50 uV THD, Mono 0.20% THD, Stereo 0.30% Frequency Response 50-15000 +/- 1 dB Capture Ratio 1.9 dB Alternate Channel Selectivity (wide or normal) 080 dB Stereo Separation at 1 kHz 40 dB Mono Switch Yes Signal Strength Meter Yes Center Tuning Meter Yes Multiplex Filter (Hi-Blend) Yes Attenuator 20dB on rear Stereo Lamp Yes FM Mode Lamp Yes Multipath Listen Yes Multipath Metering Yes Muting Switch Yes Muting Adjustment Rear deck Quadradial Output (FM Discriminator output, unequalized) Yes Illuminated Dial Pointer Yes

AM Tuner Signal Strength Metering Yes External Ferrite Antenna Yes Antenna binding Posts Yes

Preamplifier Multiple Bass Adjustments Yes Multiple Midrange Adjustments Yes Multiple Treble Adjustments Yes High Filter Yes Low Filter Yes Gain Control Yes Loudness Contour Yes Mono Yes (Left, Right) Muting Yes Balance Knob Number of Tape Monitors Two Tape to Tape Dubbing Yes, plus 3rd deck @ front panel Auxillary Input Source Yes Phono Input Source Yes 2nd Phono Input Source Yes Illuminated Source Indicators yes Tuner Source Input Yes (AM, FM sources) Source Tape Input (as opposed to a tape monitor) Yes 2nd Source Tape input (as opposed to a tape monitor) Yes Tape Monitor Yes 2nd Tape monitor Yes Preamp to Amplifier Jumper(s) yes Headphone Jack(s) Yes Speaker Selection Nomenclature Main, Remote