CORAL H-1
¥ 5,950 (1 unit, around 1965)
¥ 6,550 (high impedance type, 1 unit, around 1965)
Commentary
A horn-type tweeter designed to reproduce ultra-high frequencies.
Ultra-hard lightweight super duralumin diaphragm is used for the diaphragm, and aluminum ribbon wire edgewise voice coil is used for the voice coil.
The impedance differs depending on the release time and model. In the early stage, there were 16 Ω normal model and 200/400 Ω high impedance model, and in the later stage (around 1970?), 8 Ω model was sold.
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Model Rating
| Method | Horn tweeter |
| Playback frequency band | 1.5 kHz to 20 kHz |
| Sound pressure level | 108dB |
| Impedance | 16 Ω (Initial) 8 Ω (Later Stage) 200 Ω / 400 Ω (High Impedance Type) |
| Input | 20W |
| Crossover frequency | 2.5 kHz or more |
| Weight | 1.25kg |
| Mounting method | Cabinet top Internal integration |