Bowers & Wilkins CCM 663 SR
The CCM664SR is a dual, two-way ceiling speaker combining two offset tweeters and a twin voice coil bass/midrange driver to allow either for a combined stereo signal from one speaker, or for rear-channel surround sound.
Two Channels but only one speaker !
|Description||2-way dual channel in-ceiling system|
|Drive Units||2x ø20mm (1in) soft dome tweeter
1x ø150mm (6in) black glassfibre cone bass/midrange
|Frequency Range (-6dB)||48Hz - 30kHz|
|Recommended Amp Power||25 - 80w (per channel)|
|Sensitivity SPL (2.83V, 1m)||82dB (per channel)
88dB (both channels driven)
|Impedance Nominal (min)||8Ω (4Ω) (per channel)|
|Frame diameter||240mm (9.5in)|
|Cut-out diameter||202mm (8in)|
|Depth behind surface||133mm (5.2in)|