Audio Database

4A-61
Commentary

10 cm cone type full-range speaker unit.

There were two variations of impedance.

Model Rating
Type 10 cm cone type full range unit
Nominal impedance 4 Ω, 8 Ω
Program source input 50W
Lowest resonance frequency 45Hz
Playback frequency band 45 Hz to 20 kHz
Output sound pressure level 88dB/W/m
Magnetic flux density 11,500gauss
Total flux 73,000maxwell
Effective vibration radius (a) 4.25cm
Equivalent mass of vibration system (mo) 6.5g
Qo 0.33
Weight 1.0kg