Marantz Model105B
¥ 38,000 (around 1974)
Commentary
FM/AM tuner with low cost design and high quality.
Marantz original gyro-touch tuning is adopted.
An FET is used for the RF amplifier of the FM tuner section, and a wide-band, high-selectivity ceramic filter is used for the IF circuit.
In order to support 4-channel broadcasting, it is equipped with an クォードラジカル out port.
A walnut cabinet and an adapter for rack mounting were sold separately as options.
Model Rating
| Type | FM/AM Tuner |
| FM Tuner Section | |
| Receiving frequency range | 76 MHz to 90 MHz |
| Sensitivity (IHF) | 3.0 μ V |
| Selectivity (IHF) | 50dB |
| Capture ratio | 2.5dB |
| Image rejection ratio | 50dB |
| Signal-to-noise ratio | mono:65dB stereo:55dB |
| Distortion factor | mono:0.2% stereo:0.5% |
| Frequency characteristic | 50 Hz to 20 kHz ± 2 dB (50 μ s, de-emphasis) |
| Stereo separation | 40dB(1kHz) |
| <AM Tuner Section> | |
| Receiving frequency range | 535 kHz to 1,605 kHz |
| Sensitivity | 20 μ V |
| Selectivity | 20dB |
| Image rejection ratio | 40dB(1,400kHz) |
| Signal-to-noise ratio | 43dB |
| Frequency characteristic | 50 Hz to 4 kHz -3dB |
| Distortion factor | 1% |
| <General> | |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 15W |
| External dimensions | Width 360x Height 120x Depth 280 mm |
| Weight | 6kg |
| Sold Separately | Walnut Cabinet WC-10A (¥ 4,900) Rack Mount Adapter RA-10 (¥ 4,900) |