Architectural Speakers

Ci250RRb-THX

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The Details

SPECIFICATIONS

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Frequency Response (±6dB) Open-backed
20Hz - KASA setting
Frequency Range (-10dB)
16Hz - KASA setting
Max SPL
109dB
Drive Units
LF: 250mm (10in.)
MF: -
HF: -
Required Amplifier
KEF KASA500
Recommended Low-pass Filter (Hz)
50Hz - 120Hz
Product External Dimension
Diameter Ø: 346mm (13.62in.)
Depth: 153mm (6in.)
Cut-Out Dimensions
Diameter Ø: 300mm (11.81in.)
Net Weight
5.6kg (12.3lbs)
Mounting Depth from Surface
147mm (5.8in.)
Optional Rough In Frame
-
Ideal Rear Volume
140L
Minimum Rear Volume
70L
THX Certification
THX® Certified Ultra
Safety and Regulatory Compliance
IP64
Ceiling Thickness (Maximum)
30mm (1.18in.)
Ceiling Thickness (Minimum)
6mm  (0.24in.)
Remarks
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. THX, the THX logo, and Ultra are trademarks of THX Ltd. THX and the THX logo are registered in the U.S. and other jurisdictions. All rights reserved.

INSTALLATION VIDEOS

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In-ceiling installation 

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