DYNACO FM-3
¥ 69,000 (around the late 1960 s?)
Commentary
FM stereo tuner with as high performance as possible in a simple design.
It consists of four intermediate frequency limiters, a wide-band balanced bridge discriminator circuit, and a time-switching multiplex method.
Magic Eye is accurately tuned to the channel.
Switching between stereo and mono is done automatically when the circuit detects the signal.
Equipped with volume control.
Model Rating
| Type | FM stereo tuner |
| Frequency characteristic | 10 Hz to 40 kHz ± 0.5 dB |
| Input sensitivity | 4 μ V (IHF, noise distortion factor) |
| Input terminal (30 dB, 100% modulation) | 300 Ω balanced, 75 Ω (unbalanced) |
| SN ratio (100% modulation) | 70dB |
| Harmonic distortion (100% modulation) | Not more than 0.25% |
| IM Distortion Factor (10 μ V ~ 100k μ V) | Not more than 0.5% |
| Output level | 2V |
| Output impedance | 5k Ω or less |
| Separation | 30dB |
| Reception band (for Japan) | 76 MHz to 90 MHz |
| External dimensions | Width 345x Height 105x Depth 205 mm |
| Weight | 5.8kg |