System 
Corn type Woofer unit 
Aperture 
40cm 
Impedance 
PW4011: 32ohm
PW4011B: 8ohms

Rated input 
40W 
Lowpass resonance frequency 
30Hz 
Play frequency band 
30Hz  1000Hz 
Output sound pressure level 
102 dB/VA (with 50cm) 
Effective oscillating radius 
17.6cm 
Equivalent mass of a vibration system

130gr 
Equivalent Qo of a vibration system

0.4 
Voice coil diameter 
13cmphi 
Magnetic flux density 
7000gauss 
The total magnetic flux 
90x104maxwells 
Permanent magnet 
140phix95phix50 
The diameter of baffle opening 
401mm 
Dimension 
Diameter 450x depth of 200mm

Weight 
25kg 