YAMAHA CT-V1
¥ 27,000 (around 1978)
Commentary
FM/AM tuner equipped with NFB, PLL and MPX circuits.
The front-end section employs a junction-type FET with good high-frequency characteristics and a frequency number line type 3-row varicon. The IF stage employs a high-gain IC differential IF amplifier with excellent limiter characteristics, which has been carefully examined by differential gain direct-viewing analysis.
NFB, PLL and MPX circuits are used in the MPX section.
This circuit is an MPX circuit using a PLL / IC and applied NFB (negative feedback) similar to an audio amplifier. Noise and distortion are reduced and various characteristics are improved.
Built-in 333 Hz test signal generation circuit for easy level check during recording.
The meter is equipped with a two way meter that operates as a tuning meter when receiving FM and a signal meter when receiving AM.
Model Rating
| Type | FM/AM Tuner |
| FM Tuner Section | |
| FM practical sensitivity (IHF, 300 Ω) | Mono : 1.8 μ V |
| Image interference ratio | 55dB |
| IF interference ratio | 75dB |
| Capture ratio | 1.0dB |
| Effective selectivity (IHF) | 70dB |
| Signal-to-noise ratio | mono:77dB stereo:71dB |
| Total harmonic distortion factor | mono:0.15% stereo:0.25% |
| Stereo separation | 40dB(400Hz) |
| Frequency characteristic | 20 Hz ~ 15 kHz + 0.5 -1.5 dB |
| Subcarrier suppression ratio | 40dB |
| <AM Tuner Section> | |
| Practical sensitivity | 52dB/m |
| Selectivity (IHF) | 25dB |
| <General> | |
| Accessory circuit | FM muting switch FM stereo indicator Rec calibrator |
| Power supply voltage | 100 VAC, 50Hz/60Hz |
| Rated power consumption | 4W |
| External dimensions | Width 435x Height 137x Depth 340 mm |
| Weight | 5.7kg |