YAMAHA T-70X
¥ 28,000 (around 1987)
Commentary
FM/AM digital tuner developed as a compact component of 340 mm width.
The desired station is caught by direct PLL tuning of the IF count method which counts the accurate tuning point based on the IF signal.
Equipped with 16 FM / AM random access preset memories.
Color LED that displays signal quality meter in green and station frequency in red is used.
Model Rating
| Type | FM/AM digital tuner |
| <FM Part> | |
| Practical sensitivity | 0.8 μ V (9.3 dBf) / 75 Ω (mono) |
| Capture ratio | 1.5dB(mono) |
| Image interference ratio | 80dB |
| IF interference ratio | 80dB |
| Spurious interference ratio | 80dB |
| Effective selectivity | 55dB |
| Signal-to-noise ratio | mono:82dB stereo:76dB |
| Stereo separation | 52dB(1kHz) |
| Total harmonic distortion factor | 0.1%(stereo) |
| Frequency characteristic | 30 Hz to 15000 Hz ± 0.5 dB |
| <AM Department> | |
| Practical sensitivity | 250 μ V/m |
| Selectivity | 24dB |
| Image interference ratio | 40dB |
| Spurious interference ratio | 50dB |
| Signal-to-noise ratio | 50dB |
| Total harmonic distortion factor | 0.3%(1kHz) |
| <General> | |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 6W |
| External dimensions | Width 340x Height 71x Depth 299 mm |
| Weight | 2.7kg |