Bowers & Wilkins DS8S - Manual (Page 117)

115
HTM3S
Free-mounted aluminium dome tweeter
Kevlar ® brand fibre cone FST ™ midrange
Rohacell ® cone bass
Matrix ™ cabinet
Magnetic shielding
3-way closed-box system
1x ø25mm (1 in) aluminium dome high-frequency
1x ø150mm (6 in) woven Kevlar ® cone FST ™ midrange
2x ø165mm (6.5 in) Rohacell ® cone bass
-6dB at 35Hz and 50kHz
42Hz - 22kHz ±3dB on reference axis
Within 2dB of reference response
Horizontal: over 60º arc
Vertical: over 10º arc
90dB spl (2.83V, 1m)
2nd and 3rd harmonics (90dB, 1m)
<1% 100Hz - 22kH
<0.5% 120Hz - 20kHz
8
Ω (minimum 3.2Ω)
350Hz, 4kHz
50W - 250W into 8
Ω on unclipped programme
0.1
Ω
Height: 320mm (12.6 in)
Width: 783mm (30.8 in)
Depth: 316mm (12.4 in)
28kg (62 lb)
HTM4S
Free-mounted aluminium dome tweeter
Kevlar ® brand fibre cone bass / midrange
Matrix ™ cabinet
Flowport ™
Magnetic shielding
2-way vented-box system
1x ø25mm (1 in) aluminium dome high-frequency
1x ø165mm (6.5 in) woven Kevlar ® cone bass / midrange
-6dB at 42Hz and 50kHz
49Hz - 22kHz ±3dB on reference axis
Within 2dB of reference response
Horizontal: over 60º arc
Vertical: over 10º arc
88dB spl (2.83V, 1m)
2nd and 3rd harmonics (90dB, 1m)
<1% 100Hz - 22kHz
<0.5% 150Hz -20kHz
8
Ω (minimum 2.6Ω)
4kHz
50W - 120W into 8
Ω on unclipped programme
0.1
Ω
Height: 279mm (11 in)
Width: 486mm (19.1 in)
Depth: 287mm (11.3 in)
12.5kg (27 lb)