National EAS-10F10/10F11/10F12
¥ 2,800 (1 unit, around 1987)
Commentary
F10 series 10 cm cone type full range unit that adopts original high input resistance and high efficiency design.
The EAS-10F10 is 8 Ω type, the EAS-10F11 is 4 Ω type, and the EAS-10F12 is 16 Ω type.
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Model Rating
| Type | 10 cm cone type full range unit |
| Impedance | 8 Ω (EAS-10F10) 4 Ω (EAS-10F11) 16 Ω (EAS-10F12) |
| Fo (lowest resonance frequency) | 70Hz |
| Frequency characteristic | Fo ~ 20 kHz |
| Output sound pressure level | 92dB/W/m |
| Input (Max) | 50W |
| Magnetic flux density | 12,000gauss |
| Total flux | 78,000maxwell |
| Cone Effective Radius | 45mm |
| Mo (equivalent mass) | 3.1g |
| Qo | 0.49 |
| Weight | 0.78kg |