Bowers & Wilkins CWM7.4 S2

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Bowers & Wilkins CWM7.4 S2

The Bowers & Wilkins CWM7.4 S2 are designed for wall-mounted left, centre and right speaker positions in a discreet home cinema system, CWM7.4 S2 can also be mounted beside, above or below the screen, ensuring crystal-clear dialogue and dramatic special effects.

Thanks to Bowers & Wilkins unique QuickDogsTM fixing method, installation is simple, requiring no tools.

Its 2.5-way configuration features a single Carbon Dome tweeter, twin 100mm (4in) Continuum cone midrange units and twin 100mm (4in) Aramid Fibre/paper bass cones.

For situations when you want near-invisible loudspeakers but refuse to compromise on sound quality. CI 800 Series Diamond and CI 700 Series models feature matching performance levels to their in-room counterparts in the 800 Series Diamond and 700 Series.

About Bowers & Wilkins

Bowers & Wilkins, or B&W, is a British company that produces audio equipment, most notably loudspeakers. B&W was founded in 1966 by John Bowers at Worthing, West Sussex, England.

In 1982 the company opened a dedicated, purpose-built research centre titled ‘SRE’ or ‘Steyning Research Establishment’ in Steyning, about 10 miles from Worthing. The buildings were fit for audio-related work since they were previously used by SME, the English tonearm designer who felt the downturn in tonearm sales due to the introduction of the new digital media CD. SRE housed a prototype shop and listening rooms, ranging from semi-anechoic to typical small living rooms. Also available was advanced equipment like a laser interferometer and PDP-11/35 computer.

Approximately twenty staff support the research facility. Engineers of note who have worked there in R&D include Ray Greenwood, Dr. Steve Roe, Dr. John Dibb, Dr. Glyn Adams, Dr. Peter Fryer and Laurence Dickie.

The design of B&W loudspeaker cabinets has been done by industrial designer Kenneth Grange since 1975. Morten Villiers Warren became manager of design in the late 90’s when designing the new 800 series of speakers.

 

Colour

Black

Specifications

Technical features

Carbon Dome tweeter

Continuum midrange

Aramid Fibre/Paper bass cones

Description

21⁄2-way in-wall system

Drive units

1x ø25mm (1 in) Carbon Dome high-frequency
2x ø100mm (4 in) Continuum cone mid/bass
2x ø100mm (4 in) Aramid Fibre/Paper profile bass

Frequency range (-6dB)

-6dB at 43Hz – 33kHz

Frequency Response -3dB

45Hz – 28kHz ±3dB

Sensitivity

86dB spl (2.83Vrms, 1m)

Harmonic distortion

2nd and 3rd harmonics (90dB, 1m)

<1% 80Hz – 33kHz

<0.5% 120Hz – 33kHz

Nominal impedance

8Ω (minimum 4.9Ω)

Recommended amplifier power

25W – 150W into 8Ω on unclipped programme

Frame height

625mm (24.6in)

Frame width

175mm (6.9in)

Depth (behind surface)

92.5mm (3.64in)

Cut-out height

597mm (23.5in)

Cut-out width

147mm (23.5in)

Protrusion

8mm (0.3in)

PMK

PMK CWMC7

Net weight

6.2kg (13.73 lb)

Finishes

Grille: White

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