Marantz Model 2238b Receiver

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Front View EBay Auction #145276978 Date: August 11th, 1999 Front View EBay Auction #287978695 Date: March 20th, 2000 Rear View EBay Auction #145276978 Date: August 11th, 1999 Rear View (export model, note voltage selector, no Dolby slot) Date: June 15th, 2001

General Rarity Scarce Retail Price 370 First Year 1977 Last Year 1979 Wood Case WC-122 Silver Face Yes Channels Two Speaker Connections Two sets Chassis Ground Binding Post AC Switch Yes Fusing rear, 4 amps Switched AC Outlets 1, 100w Unswitched AC Outlets 1, 200w Power Consumption 170 watts, 27 idle Special Option 1 DLB1 Dolby FM Decoder (US Models only)

Valuation, Purchases, Parts and Manuals

Physical Width 17 1/4 Height 5 1/2 Depth 14 1/4 Weight 26.4 lbs, 33 packed

Amplifier RMS Power Per Channel 38 @ 8 ohms, 48 @ 4 Damping Factor @ Load Impedance 55 Total Harmonic Distortion (THD) 0.08% @ 8, 0.1% @ 4 Power Bandwidth 20 Hz - 20 kHz Intermodulation Distortion (IM) 0.8%,0.1% Input Impedance 33k Input Sensitivity for Full Output 1.5 v

FM Tuner Gyro Tuning yes RF Sensitivity 1.9 uV 300 Ohm Binding Posts yes 75 Ohm Binding Posts yes 75 Ohm F Connector yes 50 dB quieting sensitivity, Stereo 40 uV 50 dB quieting sensitivity, Mono 2.8 uV THD, Mono 0.15% THD, Stereo 0.30% Signal to Noise Ratio, Mono 73 dB Frequency Response 30 Hz to 15 kHz, +/- 1.5 dB (stereo) Capture Ratio 1.0 dB IF Image Rejection 60 dB IF Rejection 90 dB Stereo Subcarrier Rejection 65 dB Alternate Channel Selectivity (wide or normal) 070 dB Spurious Rejection 90 dB AM Carrier Rejection 50 dB Stereo Separation at 1 kHz 45 dB Mono Switch yes Signal Strength Meter yes Center Tuning Meter yes Stereo Lamp yes Dolby Lamp yes Muting Switch yes 25 uS Deemphasis Switch (Dolby Associated) yes Dolby Fm Decoding Option yes Quadradial Output (FM Discriminator output, unequalized) on some units Illuminated Dial Pointer yes

AM Tuner RF Sensitivity 15 uV Alternate Channel Selectivity 46 dB IF Rejection 40 dB Image Rejection 45 dB THD 0.5% Signal to Noise Ratio 50 dB Spurious Response Rejection 60 dB 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 Gain Control yes Loudness Contour Yes Mono Yes Balance yes Number of Tape Monitors One Auxillary Input Source Yes Phono Input Source Yes Phono Pickup Impedance Control 47 k, 100 pf Cartridge Type Selection MM Tuner Source Input AM/FM 2nd Source Tape input (as opposed to a tape monitor) Yes Tape Monitor Yes Preamp to Amplifier Jumper(s) yes Headphone Jack(s) Yes Speaker Selection Nomenclature System 1,2