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B&W CM 7

The CM7 produces the kind of breathtakingly lifelike sound that can command any medium-sized to large room, thanks to the harmony of the relationship between its genuine three-way driver line-up and its first-order crossover.

The speaker features a single FST® driver, the outer edge of its distinctive Kevlar® cone supported by the characteristic compression surround, specially developed for outstanding midrange performance. High frequencies are handled superbly thanks to the CM7’s Nautilus™ tube-loaded aluminium dome tweeter.

The quality of CM Series drive units has made it possible to use minimalist crossovers throughout the whole range. The resulting gentle transition between drivers avoids the unnaturally rapid changes in dispersion that bedevil more complex designs, while the high quality components, carefully chosen after exhaustive listening tests, ensure that as little as possible gets between you and the sound of the original recording.

All CM Series speakers come with chrome driver trims. Grilles attach magnetically, so there are no unsightly grille-mounting features to spoil the clean lines of the speaker’s façade. For the finish, you can choose either one of two real-wood veneers in Rosenut or Wengé, or a highly polished gloss black.

Woven Kevlar
Yes
Crossover Tuning
Yes
Nautilus Tapering Tube
Yes
Flowport
Yes
Mushrooms
FST
Yes
Tweeter on Top
Matrix
Rohacell
Diamond Tweeters
Sphere / Tube Enclosure
De-Coupling
Nautilus
Technical features
Nautilus™ tube loaded aluminium dome tweeter
Kevlar® brand fibre cone FST midrange
Flowport™
Description
3-way vented-box system
Drive units
1x ø25mm (1 in) aluminium dome high-frequency
1x ø150mm (6 in) woven Kevlar® cone FST midrange
2x ø165mm (6.5 in) paper/Kevlar® cone bass
Frequency range
-6dB at 30Hz and 50kHz
Frequency response
56Hz - 22kHz ±3dB on reference axis
Dispersion
Within 2dB of reference response
Horizontal:
over 60º arc
Vertical:
over 10º arc
Sensitivity
89dB spl (2.83V, 1m)
Harmonic distortion
2nd and 3rd harmonics (90dB, 1m)
<1% 90Hz - 22kHz
<0.5% 120Hz - 20kHz
Nominal impedance
8Ω (minimum 3.0Ω)
Crossover frequencies
350Hz, 4kHz
Recommended amplifier power
30W - 200W into 8Ω on unclipped programme
Max. recommended cable impedance
0.1Ω
Dimensions
Height:
990mm (39 in) (cabinet only)
1025mm (40.4 in) (including plinth but not feet)
Width:
200mm (7.9 in) (cabinet only)
320mm (12.6 in) (including plinth)
Depth:
300mm (11.8 in) (cabinet only)
321mm (12.6 in) (including grille and terminals but not plinth)
370mm (14.6 in) (including plinth)
Net weight
26.6kg (58.5 lb)
Finishes
Cabinet - Real Wood Veneers
Grille
Wengé
Black
Rosenut
Black
Painted Finish
Gloss Black
Black

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