Marantz Model 2250b Receiver
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Front View
EBay Auction #103124404
Date: May 12th, 1999
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| General |
| Rarity | Scarce |
| Retail Price | 550 |
| Designed in | USA |
| Manufactured In | Japan |
| First Year | 1976 |
| Last Year | 1977 |
| Wood Case | WC-22 |
| Blue Face | Yes |
| Channels | Two |
| Speaker Connections | two sets |
| Chassis Ground | Binding post |
| AC Switch | Yes |
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| Physical |
| Panel Width | 17 3/8 |
| Panel Height | 5 3/8 |
| Depth | 14 3/8 |
| Weight | 34.1 lbs |
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| Amplifier |
| RMS Power Per Channel | 50 |
| Damping Factor @ Load Impedance | 55 at 8 ohms |
| Total Harmonic Distortion (THD) | .25 % |
| Power Bandwidth | 20 Hz to 20 KHz |
| Frequency Response | 20 Hz to 20 KHz +/- 0.5 % |
| Intermodulation Distortion (IM) | .25% at rated power |
| Input Impedance | 30 k ohm |
| Input Sensitivity for Full Output | 1.5v |
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| FM Tuner |
| Gyro Tuning | yes |
| RF Sensitivity | 1.9 uV |
| 300 Ohm Binding Posts | Spring connectors |
| 75 Ohm Binding Posts | Spring connectors |
| Ultimate Quieting | 70 dB, mono |
| THD, Mono | 0.2% |
| THD, Stereo | 0.4% |
| Signal to Noise Ratio, Mono | 70 dB |
| Capture Ratio | 1.5 dB |
| IF Image Rejection | 70 dB |
| IF Rejection | 90 dB |
| Alternate Channel Selectivity (wide or normal) | 060 dB |
| Spurious Rejection | 95 dB |
| AM Carrier Rejection | 55 dB |
| Stereo Separation at 1 kHz | 40 dB |
| Mono Switch | Yes |
| Signal Strength Meter | Yes |
| Center Tuning Meter | Yes |
| Stereo Lamp | Yes |
| Dolby Lamp | Yes |
| 25 uS Deemphasis Switch (Dolby Associated) | Yes |
| Quadradial Output (FM Discriminator output, unequalized) | Yes |
| Illuminated Dial Pointer | Yes |
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| AM Tuner |
| RF Sensitivity | 20 uV |
| Signal Strength Metering | yes |
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| Preamplifier |
| Multiple Bass Adjustments | Yes |
| Multiple Midrange Adjustments | Yes |
| Multiple Treble Adjustments | Yes |
| Tone Control Defeat | Yes |
| Bass Turnover Options | Yes |
| Treble Turnover Options | Yes |
| High Filter | Yes |
| Low Filter | Yes |
| Gain Control | Yes |
| Loudness Contour | Yes |
| Mono | Yes |
| Balance | Slider |
| Number of Tape Monitors | Two |
| Tape to Tape Dubbing | Via front panel |
| Auxillary Input Source | Yes |
| Phono Input Source | Yes |
| Illuminated Source Indicators | Yes |
| Cartridge Load | 47 k ohm |
| 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 |
| 2nd Tape monitor | yes |
| Preamp to Amplifier Jumper(s) | yes |
| Headphone Jack(s) | Yes |
| Speaker Selection Nomenclature | main, remote |
| Signal to Noise Ratio | aux 85 dB -- phono 75 dB |
| Frequency Response | 30 Hz to 15 KHz =/- 1.0 dB (phono) |
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