Marantz Model 250 Amplifier
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Front View
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Front View
EBay Auction #513723911
Image Attribution: EBay seller arlene00@msn.com
Date: November 30th, 2000
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Top interior View
EBay Auction #513723911
Image Attribution: EBay seller arlene00@msn.com
Date: November 30th, 2000
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Rear View
Image Attribution: Jean-François
Date: November 2nd, 2001
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| General |
| Description | Some are gold anodized |
| Rarity | Rare |
| Retail Price | 499.95, October 1st 1974 Marantz Dealer List |
| First Year | 1971 |
| Last Year | 1976 |
| Matching Preamplifiers | 3300 |
| Matching Tuners | 120 |
| Wood Case | WC-2 |
| Blue Face | Yes |
| Channels | Two |
| Transistor Count | 11 |
| Diode Count | 18 |
| Speaker Connections | One set |
| Fusing | Rear deck, buss |
| Unswitched AC Outlets | One |
| Power Consumption | 500 watts |
| Special Option 1 | WC-2 |
| Special Option 2 | RA1 Rack Adaptor |
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| Physical |
| Width | 15 3/8 |
| Height | 6 1/8 |
| Depth | 9 1/2 |
| Weight | 28 lbs, 33.5 lbs shipped |
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| Amplifier |
| RMS Power Per Channel | 64 @ 16 ohms, 125 @ 8 ohms, 150 @ 4 ohms |
| Damping Factor @ Load Impedance | >100 |
| Total Harmonic Distortion (THD) | 0.1% |
| Power Bandwidth | 20 Hz to 20 KHz |
| Frequency Response | 2 Hz to 100 kHz, +/- 1.5 dB |
| Signal to Noise Ratio | 106 dB |
| Intermodulation Distortion (IM) | 0.1% |
| Input Impedance | 100k ohms |
| Input Sensitivity for Full Output | 1.35 volts |
| DC Capable | output only |
| Meter Range | Yes |
| Output Meter(s) | Yes |
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