Bowers & Wilkins CM1

A compact bookshelf loudspeaker from Bowers & Wilkins, featuring Kevlar® drivers and Nautilus™ tube-loaded tweeter technology.

Overview

The Bowers & Wilkins CM1 is a bookshelf/stand-mount loudspeaker produced by Bowers & Wilkins. It is part of the CM Series, which serves as the entry point to the Bowers & Wilkins range and sits below the 800 Series. The speaker uses a two-way vented-box system with a bass reflex enclosure and Flowport™ bass port technology.

Specifications

Enclosure type	Bass reflex
High-frequency driver	1x ø25mm (1 in) aluminium dome
Bass/midrange driver	1x ø130mm (5 in) Kevlar® cone
Frequency response	65Hz to 22kHz ±3dB on reference axis
Frequency range	-6dB at 56Hz and 30kHz
Sensitivity	84dB spl (2.83V, 1m)
Nominal impedance	8Ω (minimum 4.6Ω)
Recommended amplifier power	30W – 100W into 8Ω on unclipped programme
Dimensions (H x W x D)	300 x 165 x 215mm (11.8 x 6.5 x 8.5 in)
Net weight	5.5kg (12.1 lb)
Finishes	Rosenut, Black Ash, Wenge

Design

The CM1 features a Nautilus™ tube-loaded aluminium dome tweeter that is decoupled from the main baffle, reducing unwanted vibrations. The bass/midrange driver uses a woven Kevlar® cone for rigidity and low distortion. The cabinet is heavily braced and incorporates Flowport™ technology to minimize port noise and enhance bass response.

Context

The CM1 belongs to the CM Series, positioned as the entry-level line in the Bowers & Wilkins range, sitting below the flagship 800 Series. It was designed to bring core Bowers & Wilkins technologies, such as Kevlar® cones and Nautilus™-derived tweeters, into a more accessible product tier.