CORAL 4A-60
¥ 2,500 (1 unit, around 1980)
Commentary
10 cm cone type full-range speaker unit.
There were 3 variations of impedance.
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Model Rating
| Type | 10 cm cone type full range unit |
| Nominal impedance | 4 Ω, 8 Ω, 16 Ω |
| Program source input | 16W |
| Lowest resonance frequency | 80Hz |
| Playback frequency band | Fo ~ 18 kHz |
| Output sound pressure level | 91dB/W/m |
| Magnetic flux density | 12,200gauss |
| Total flux | 51,100maxwell |
| Effective vibration radius (a) | 4.15cm |
| Equivalent mass of vibration system (mo) | 2.6g |
| Qo | 0.34 |
| Weight | 560g |