CORAL 4A-71
¥ 5,000 (1 unit, around 1980)
Commentary
10 cm cone type full-range speaker unit.
There were two variations of impedance.
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Model Rating
| Type | 10 cm cone type full range unit |
| Nominal impedance | 8 Ω, 16 Ω |
| Program source input | 40W |
| Lowest resonance frequency | 85Hz |
| Playback frequency band | 85 Hz to 20 kHz |
| Output sound pressure level | 90dB/W/m |
| Magnetic flux density | 11,000gauss |
| Total flux | 73,000maxwell |
| Effective vibration radius (a) | 4.45cm |
| Equivalent mass of vibration system (mo) | 2.7g |
| Qo | 0.42 |
| Weight | 1.0kg |
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