Bowers and Wilkins DM-630 Brochure

DM630

Floor-standing loudspeaker system

Product Summary

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The 600 series takes its place in a distinguished family tree that includes the world renowned
Matrix 801 and the Matrix 802. Something of this superb pedigree was bound to rub off.
In the same way that a luxury car benefits from racing technology, a 600 series loudspeaker
speaker system brings with it the pleasure of acquiring the worlds leading acoustic expertise
with inherent good value that will be music to your ears.

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The more profound bass delivery is made possible via the impressive 52 litre enclosure. The
high excursions needed to extend the low frequency range to 40Hz are provided by two
active 8in polypropylene-coned low frequency units which also enable higher system power
handling because of the shared LF load.

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The lower LF unit is progressively rolled off above 300Hz to maintain vertical dispersion in
the midrange, especially at the critical point at which the crossover to the high-frequency unit
occurs.

Technical highlights

B&W Loudspeakers Ltd reserves the right to amend details of the specifications without notice in line with technical developments. E & OE. All trademarks acknowledged.

www.bwspeakers.com

Description

Drive Units

3 way 4th-order variable port, bass reflex
digital monitor system with bi-wiring
1 x 26mm high frequency with metal
dome, high-temperature voice coil
magnetic fluid cooling
2 x 200mm bass/midrange with rigid
die-cast chassis, reinforced
polypropylene diaphragm and 31mm
high temperature voice coil on Kapton®
former

Frequency Response

Sensitivity
Nominal Impedance
Power Handling

Dimensions

Finish

53Hz – 20kHz ± 2dB on reference
axis
91dB spl(2.83V 1m)
4 ohms
25W – 150W into 8 ohms on
unclipped programme
Height: 850mm Width: 236mm
Depth: 407mm
Simulated veneers of walnut or zelda

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An integral feature is magnetic fluid cooling which combats compression by
reducing the temperature of the delicate voice coil in the tweeter at high
frequencies.

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The practice of flush-mounting units into stylised moulded baffles
has been implemented in the 600 Series. This, together with the bevelling of
baffle edges, helps to fight diffraction and produce a cleaner sound. The front
polymer compound baffles and the high density fibreboard sub-baffles combine
to bolster the structure, and reduce radiation from mechanical cabinet vibration.
This is further improved by internal bracing of the cabinet walls.

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The proven provision of being able to bi-wire or bi-amplify the system is
present. Two sets of top quality, gold plated terminals are present to enable
individual inputs for the high and low frequency units.