Product Datasheet/Brochure
KEF.COM
Not all models / nishes are available in all markets. Contact your local dealer for specic range details.
KEF reserves the right, in line with continuing research and development, to amend or change specications. E&OE.
Ci specifications sheet
Soundlight
Model Ci100.2QR Ci50R
Series Soundlight / Q Series Soundlight / C Series
Nominal impedance 4Ω 6Ω
Sensitivity (2.83V/1m) 83dB 82dB
Frequency response (±6dB)
open-backed
90Hz - 27kHz 125Hz - 20kHz
Frequency response (±6dB)
with back can / rear enclosure
130Hz - 27kHz 170Hz - 20kHz
Frequency range (-10dB) 70Hz - 40kHz 122Hz - 25kHz
Nominal coverage (degrees) 150° 165°
Max SPL (dB) 99dB 94dB
Crossover frequency 3.5kHz -
Drive units
LF 75 mm (3.15 in.) Uni-Q -
MF - 50 mm (2.0 in.)
HF 16 mm (0.6 in.) -
Recommended amplier power 10 - 50 W 10 - 30 W
Recommended high-pass lter (Hz) 80Hz 130 Hz
Product external
dimensions
Diameter Ø 135.6 mm (5.34 in.) 80 mm (3.15 in.)
Depth 107.5 mm (4.23 in.) 94.5 mm (3.72 in.)
Cut-out dimensions Diameter Ø 118.0 mm (4.65 in.) 65 mm (2.56 in.)
Net weight 0.50 kg (1.10 lbs) 0.135 kg (0.31 lbs)
Mounting depth
from surface
With back can 103.1 mm (4.06 in.) 90 mm (3.54 in.)
Without back can 52 mm (2 in.) 50 mm (1.97 in.)
Optional rough in frame RIF100R -
Optional rear enclosure
RNC100R CI50 CAN
Ideal Rear Volume (L)
5L 3L
Minimum Rear Volume (L)
0.75L 0.5L
Certication
IP64 IP64