Marantz Model 8b Amplifier
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Front View
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Rear View
EBay Auction #274850058
Date: March 8th, 2000
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Bottom View
EBay Auction #278241510
Date: March 8th, 2000
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Variations
There are a few variations to Model 8B back panels. The oldest units
have an octal socket for powering old mono preamps, and some may have an
AC convenience outlet.
Contributed by Kevin M. Hayes
On February 1st, 2000
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Inputs
The Test inputs are the ones to use on the 8B. Sid Smith, who did most of the design work on the 8B insisted that rumble filters be used to counteract the noisy turntables of the day. Marantz disagreed, so they compromised by adding the test input, which is unfiltered.
Contributed by Mark D. Chamberlain
On May 5th, 2003
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| General |
| Description | Power Amplifier |
| Rarity | Scarce |
| Retail Price | 249 |
| Resale Value | 1500 |
| Designed in | USA |
| Manufactured In | USA |
| First Year | 1962 |
| Years Manufactured | 1962,1963,1964,1965,1966 |
| Last Year | 1966 |
| Matching Preamplifiers | 7 |
| Matching Tuners | 10B |
| Blue Face | Yes |
| Channels | Two |
| Tube Design | Yes |
| Tube Count | 8 |
| Speaker Connections | Two sets |
| Power Source Details | 105-125 VAC, 50-60 cycles |
| Special Option 1 | Tube Cage ($9.00) |
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| Physical |
| Width | 13 1/2 |
| Height | 7 1/4 |
| Depth | 10 1/2 |
| Weight | 57 lbs |
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| Amplifier |
| RMS Power Per Channel | 35 |
| Damping Factor @ Load Impedance | 20 from 20 Hz to 20 KHz |
| Total Harmonic Distortion (THD) | .5% |
| Power Bandwidth | 20 Hz to 20 KHz |
| Frequency Response | 20 Hz to 20 KHz |
| Hum and Noise | 90 dB down from 35 watts |
| Signal to Noise Ratio | 90 dB |
| Intermodulation Distortion (IM) | .5% 20 Hz to 20 KHz |
| Cooling Fan(s) | No |
| Auxillary Metering | Yes |
| Output Impedance(s) | 4, 8, 16 ohms |
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