Bowers & Wilkins VM1 Owner's Manual page 5

Description
Drive unit
Frequency range
Frequency response
Dispersion
Sensitivity
Harmonic Distortion
Nominal Impedance
Crossover Frequency
Recommended amplifier power
Max. recommended cable
impedance
Dimensions
Net Weight
32
VM1
2-way vented-box system
1x ø25mm (1in) high frequency
1x ø125mm (5in) cone bass/midrange
-6dB at 65Hz and 22Hz
75Hz-20kHz ±3dB on reference axis
Within 2dB of reference response
Horizontal: over 40° arc
Vertical: over 10° arc
91dB spl (2.83V, 1m)
2nd and 3rd harmonics (90dB, 1m)
<1% 100Hz – 15kHz
8Ω
3.5kHz
25W – 100W into 8W on unclipped programme
0.2Ω
Height: 522mm (20.6in)
Width: 124mm (4.9in)
Depth: 93mm (3.7in)
2.7kg (6lb)