CORAL 12TET-1
¥ 24,600 (1 unit, around 1965)
Commentary
This is an unusual 3-way coaxial speaker unit with a tetrakish type.
It is equipped with a 30 cm cone type woofer with a sub-cone for mid-range and a horn for mid-range and two horns for high-range.
Level control is included.
Model Rating
| Type | 30cm3-way coaxial speaker |
| Playback frequency band | Fo ~ 20 kHz |
| Lowest resonance frequency (fo) | 30Hz |
| Crossover frequency | 1.8 kHz, 5 kHz |
| Output sound pressure level | 106dB |
| Input | 25W |
| Impedance | 16 Ω |
| Effective mass of vibration system | 35g |
| Qo | 0.39 |
| Total flux | Low band : 200,000 maxwell For Mid Range : 30,000 maxwell High frequency : 13,000 maxwell |
| Weight | 5.54kg |