Bowers & Wilkins 300 Series DM303 - Manual (Page 4)

ASW300
Bass Overload Suppression Circuitry
Flowport
Active vented-box subwoofer system
ø200mm (8 in) paper/Kevlar ® cone
-6dB at 23Hz and 180Hz adjustable (EQ at A)
-3dB 27Hz–150Hz adjustable (EQ at A)
Power output: 100W continuous
Input impedance: 22k Ω
Signal / noise: >90dB
Functions: Output level
Low-pass filter frequency
Low-pass filter bypass
Bass roll-off alignment
Auto sense on/standby
Inputs: Line In (RCA Phono)
Speaker level (binding
posts)
Outputs: Line Out (RCA Phono,
high-passed)
Link Out (RCA Phono,
parallel to Line In)
Speaker level out
(high-passed)
Active 2nd-order, variable cut-off frequency
Line level: Active 3rd-order at 80Hz
Speaker level: Passive 1st-order at 80Hz
(into 8 Ω load)
Height: 405mm (16 in) including spike feet
Width: 330mm (13 in)
Depth: 375mm (14.8 in) including grille
and controls
15kg (33 lb)
Black Ash Vinyl
Maple Vinyl
Black cloth
Technical features
Description
Drive unit
Frequency range
Frequency response
Amplifier
Low-pass filter
High-pass filter
Dimensions
Net weight
Cabinet finish
Grille
DM303 LCR3
Nautilus ™ tweeter
Flowport
Magnetic shielding
2-way vented-box system
2x ø110mm (4.5 in) woven fibreglass
cone bass/midrange
1x ø26mm (1in) metal dome high-frequency
-6dB at 60Hz and 30kHz
80Hz – 20kHz ±3dB on reference axis
Within 2dB of response on reference axis
Horizontal: over 40º arc
Vertical: over 10º arc
90dB spl (2.83V, 1m)
2nd and 3rd harmonics (90dB, 1m)
<1% 70Hz – 20kHz
8 Ω (minimum 3.3 Ω )
4kHz
25W – 100W into 8 Ω on
unclipped programme
0.1 Ω
Height: 152mm (6 in)
Width: 418mm (16.5 in)
Depth: 221mm (8.7 in)
5 kg (11 lb)
Cabinet: Black Ash vinyl
Maple vinyl
Grille: Black cloth
Nautilus ™ tweeter
Flowport
2-way vented-box system
1x ø160mm (6 in) woven fibreglass
cone bass/midrange
1x ø26mm (1 in) metal dome high-frequency
-6dB at 52Hz and 30kHz
72Hz – 20kHz ±3dB on reference axis
Within 2dB of response on reference axis
Horizontal: over 40° arc
Vertical: over 10° arc
88dB spl (2.83V, 1m)
2nd and 3rd harmonics (90dB, 1m)
<1% 90Hz – 20kHz
8 Ω (minimum 4.3 Ω )
4kHz
25W – 100W into 8 Ω on
unclipped programme
0.1 Ω
Height: 331mm (13 in)
Width: 201mm (7.9 in)
Depth: 242mm (9.5 in)
5 kg (11 lb)
Cabinet: Black Ash vinyl
Maple vinyl
Grille: Black cloth
Technical features
Description
Drive units
Frequency range
Frequency response
Dispersion
Sensitivity
Harmonic distortion
Nominal impedance
Crossover frequency
Recommended
amplifier power
Max. recommended
cable impedance
Dimensions
Net weight
Finishes