Audio Database
FW405
Commentary

A 40 cm cone type woofer unit that uses a low-distortion magnetic circuit.

High efficiency is realized by the thick cast yoke.

Model Rating
Method Cone type woofer unit
Aperture 40cm
Impedance 8 Ω
Lowest resonance frequency 20Hz
Playback frequency band Fo ~ 2.5 kHz
Output sound pressure level 96dB/W/1m
Input 150W(Mus.)
Mo 125g
Qo 0.38
Effective vibration radius (a) 16.85cm
Magnet weight 1,821g
Gross weight 7.8kg
Recommended crossover frequency 1.5 kHz or less
Standard enclosure method Bass Reflex Type (100 Liters)