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마란츠 2270 리시버앰프
| 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 |
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| Physical | | Width | 16 7/8 | | Height | 5 | | Depth | 14 | | Weight | 38.5 lbs, 49.5 packed |
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| 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% |
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| 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 |
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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 | | 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 |
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