300 Series
B&W Loudspeakers Ltd
Dale Road
Worthing West Sussex
BN11 2BH England
T +44 (0) 1903 221800
F +44 (0) 1903 221801
UK Sales Enquiries and Service
T +44 1903 221 500
E uksales@bwspeakers.com
Kevlar is a registered trademark of DuPont.
Nautilus is a trademark of B&W Loudspeakers Ltd.
Copyright © B&W Loudspeakers Ltd.
Stands featured within this brochure are
not supplied with the speakers. E&OE.
Design by Thomas Manss & Company. Printed in Spain.
B&W Loudspeakers Ltd reserves the right to amend
details of the specifications without notice in line
with technical developments.
B&W Loudspeakers of America
T +1 978 664 2870
E marketing@bwaudio.com
B&W Loudspeakers (Asia) Ltd
T +852 2 790 8903
E bwahome@bwspeakerasia.com.hk
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The LCR3 is magnetically
shielded so that it can be
placed right next to a TV
without distorting the
All three models
incorporate Flowport.
The dimpled surface
of the flared ends of
the tube use golf ball
aerodynamics to smooth
the airflow through the
port, reducing turbulence
noise to negligible levels.
picture. The symmetrical
driver configuration gives
a choice of orientation for
a truly versatile home
theatre speaker; horizontally
as centre channel on top
of the TV, or in vertical
position to left and right.
With a powerful bass
frequency output generated
from inside a compact and
stylish cabinet, the ASW300
subwoofer is the ideal partner
for any 300 Series home
cinema or stereo system.
There’s the DM303 2-way speaker, which is equally at home
with two-channel stereo or as a front left/right or surround
speaker in a home theatre installation where magnetic
shielding is not required. The LCR3 speaker is designed
primarily for home theatre, and its magnetic shielding allows
it to be positioned on or close to the TV without affecting
the picture. Finally, the ASW300 subwoofer delivers an added
kick to the bass output of your 300 Series system. Featuring
®
a 200mm paper/Kevlar cone, the ASW300 will sit discreetly
in your room, its internal 100w amplifier generating a
noticeably more powerful sound environment, whether
from a stereo or home theatre system.
™
The range features a host of Nautilus -derived technolo-
gies. Inside both the DM303 and LCR3, hidden away behind
the tweeter, is a damped tapering tube. The tube-loaded
tweeter ensures far greater absorption of unwanted radiation
from the rear of the dome, giving rise to a cleaner, more
focused and natural high frequency sound.
The bass/midrange drivers of the DM303 and LCR3 use
woven glass fibre cones, which function in a similar fashion
®
to the Kevlar cones used in B&W’s more exclusive ranges by
cancelling out unwanted sound waves. Distortion and signal
degradation are minimised by an audiophile-quality crossover
featuring air core inductors and plastic film capacitors.
All of these ingredients are skillfully blended to offer
a level of performance unprecedented at this level, and
matched by a stunning design. The front baffle, moulded in
inert mica-filled polypropylene, has a subtly curved outline
and is dimpled to echo the theme of the Flowport at the rear;
itself elegantly combined with the easy-access terminal panel
that accepts all common terminations, from spades to
banana plugs to bared wire-ends.
Versatile and affordable, beautifully designed and easily
expandable, the 300 Series is the perfect introduction to
the world of Bowers & Wilkins.
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DM303
LCR3
ASW300
Technical features
Nautilus™ tweeter
Flowport
Nautilus™ tweeter
Flowport
Technical features
Bass Overload Suppression Circuitry
Flowport
Magnetic shielding
Description
Drive units
2-way vented-box system
2-way vented-box system
Description
Drive unit
Active vented-box subwoofer system
®
ø200mm (8 in) paper/Kevlar cone
1x ø160mm (6 in) woven fibreglass
cone bass/midrange
2x ø110mm (4.5 in) woven fibreglass
cone bass/midrange
1x ø26mm (1 in) metal dome high-frequency
1x ø26mm (1in) metal dome high-frequency
-6dB at 23Hz and 180Hz adjustable (EQ at A)
-3dB 27Hz–150Hz adjustable (EQ at A)
Frequency range
Frequency response
Dispersion
-6dB at 52Hz and 30kHz
-6dB at 60Hz and 30kHz
Frequency range
Frequency response
Amplifier
72Hz – 20kHz 3dB on reference axis
80Hz – 20kHz 3dB on reference axis
Within 2dB of response on reference axis
Horizontal:
Vertical:
Power output:
Input impedance:
Signal / noise:
Functions:
100W continuous
22kΩ
>90dB
Within 2dB of response on reference axis
Horizontal: over 40° arc
over 40º arc
over 10º arc
Vertical:
over 10° arc
Output level
Sensitivity
88dB spl (2.83V, 1m)
90dB spl (2.83V, 1m)
Low-pass filter frequency
Low-pass filter bypass
Bass roll-off alignment
Auto sense on/standby
Line In (RCA Phono)
Speaker level (binding
posts)
Harmonic distortion
2nd and 3rd harmonics (90dB, 1m)
<1% 90Hz – 20kHz
2nd and 3rd harmonics (90dB, 1m)
<1% 70Hz – 20kHz
Nominal impedance
Crossover frequency
8Ω (minimum 4.3Ω)
8Ω (minimum 3.3Ω)
Inputs:
4kHz
4kHz
Recommended
amplifier power
25W – 100W into 8Ω on
unclipped programme
25W – 100W into 8Ω on
unclipped programme
Outputs:
Line Out (RCA Phono,
high-passed)
Max. recommended
cable impedance
0.1Ω
0.1Ω
Link Out (RCA Phono,
parallel to Line In)
Speaker level out
(high-passed)
Dimensions
Height:
Width:
Depth:
331mm (13 in)
201mm (7.9 in)
242mm (9.5 in)
Height:
Width:
Depth:
152mm (6 in)
418mm (16.5 in)
221mm (8.7 in)
Active 2nd-order, variable cut-off frequency
Low-pass filter
High-pass filter
Net weight
Finishes
5 kg (11 lb)
Cabinet:
5 kg (11 lb)
Cabinet:
Line level: Active 3rd-order at 80Hz
Speaker level: Passive 1st-order at 80Hz
(into 8Ω load)
Black Ash vinyl
Maple vinyl
Black Ash vinyl
Maple vinyl
Height: 405mm (16 in) including spike feet
Width: 330mm (13 in)
Dimensions
Grille:
Black cloth
Grille:
Black cloth
Depth: 375mm (14.8 in) including grille
and controls
15kg (33 lb)
Net weight
Black Ash Vinyl
Maple Vinyl
Cabinet finish
Black cloth
Grille
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