Marantz Model 4270 Receiver
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Front View
EBay Auction #104730276
Date: May 15th, 1999
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Oblique View
EBay Auction #1206465317
Date: January 9th, 2001
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Rear View
EBay Auction #104730276
Date: May 15th, 1999
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| General |
| Rarity | Scarce |
| Retail Price | 699.95, October 1st 1974 Marantz Dealer List |
| First Year | 1973 |
| Last Year | 1978 |
| Wood Case | WC-122?, WC-22 |
| Blue Face | Yes |
| Channels | Four + Two |
| Speaker Connections | Eight sets |
| Chassis Ground | Binding Post |
| AC Switch | Yes |
| Fusing | Rear Deck |
| Switched AC Outlets | One at 100 watts |
| Unswitched AC Outlets | One at 200 watts |
| Special Option 1 | RC4 Remote Control |
| Special Option 2 | SQA2B |
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| Physical |
| Panel Width | 17 -21/64 inches |
| Panel Height | 5 - 25/64 inches |
| Weight | 49 lbs, shipped, unit alone 40.2 lbs |
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| Amplifier |
| RMS Power Per Channel | 25x4 or 70x2 |
| Total Harmonic Distortion (THD) | 0.3% |
| Power Bandwidth | 20 hz to 20 khz |
| Intermodulation Distortion (IM) | 0.3% |
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| FM Tuner |
| Gyro Tuning | Yes |
| RF Sensitivity | 1.9 uV |
| 300 Ohm Binding Posts | Yes |
| 75 Ohm Binding Posts | Yes |
| Ultimate Quieting | 70 dB @ 50 uV |
| THD, Stereo | 0.40% |
| Capture Ratio | 1.5 dB |
| Adjacent Channel Selectivity (Wide or Normal) | 060 dB |
| Stereo Separation at 1 kHz | 40 dB |
| Mono Switch | Yes |
| Signal Strength Meter | Yes |
| Center Tuning Meter | Yes |
| Stereo Lamp | Yes |
| FM Mode Lamp | Yes |
| Muting Switch | Yes |
| 25 uS Deemphasis Switch (Dolby Associated) | On rear deck |
| Dolby FM Decoding Standard | Yes - L/r dolby FM adjusts on rear deck |
| Quadradial Output (FM Discriminator output, unequalized) | Yes |
| Illuminated Dial Pointer | Yes |
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| AM Tuner |
| Signal Strength Metering | Yes |
| External Ferrite Antenna | Yes |
| Antenna binding Posts | Yes |
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| Preamplifier |
| Multiple Bass Adjustments | Yes |
| Multiple Midrange Adjustments | Yes |
| Multiple Treble Adjustments | Yes |
| High Filter | Yes |
| Gain Control | Yes |
| Loudness Contour | Switch |
| Mono | Yes |
| Quadraphonic Dimension | Yes |
| Balance | F-l/r, R-l/r, F/R |
| Number of Tape Monitors | Two 4-channel |
| Auxillary Input Source | Yes (quad) |
| Phono Input Source | Yes |
| Tuner Source Input | AM, FM |
| Source Tape Input (as opposed to a tape monitor) | Yes |
| 2nd Source Tape input (as opposed to a tape monitor) | Yes |
| Tape Monitor | Yes (quad) |
| 2nd Tape monitor | Yes (quad) |
| Preamp to Amplifier Jumper(s) | front and rear pairs |
| Dolby Tape | Yes |
| Headphone Jack(s) | 1 pair for quad listening |
| Speaker Selection Nomenclature | Main, Remote (x4) |
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