National EAS-7F10
¥ 2,000 (1 unit, around 1987)
Commentary
F10 series 7 cm cone type full range unit that adopts original high input resistance and high efficiency design.
Model Rating
Type | 7 cm cone type full-range unit |
Impedance | 8 Ω |
Fo (lowest resonance frequency) | 120Hz |
Frequency characteristic | Fo ~ 20 kHz |
Output sound pressure level | 88dB/W/m |
Input (Max) | 20W |
Magnetic flux density | 11,600gauss |
Total flux | 61,000maxwell |
Cone Effective Radius | 24mm |
Mo (equivalent mass) | 0.87g |
Qo | 0.55 |
Weight | 275g |