KEF q series User Manual

08.2019 | Q Series
Accessories
Model Q950
Black Cloth Grille
Q750
Black Cloth Grille
Q550
Black Cloth Grille
Q350
Black Cloth Grille
Q150
Black Cloth Grille
Weight 0.8kg (1.76 lbs) 0.6kg (1.32 lbs) 0.5kg (1.1 lbs) 0.2kg (0.44 lbs) 0.15kg (0.33 lbs)
Dimension
(
H x W x D
)
1035 x 236 x 10 mm 898 x 204 x 10 mm 845 x 174 x 13 mm 330 x 200 x 10 mm 274 x 173 x 9 mm
Colour Black Black Black Black Black
3
Model Q350 Q150 Q650c Q250c Q50a
Design Two-way bass re ex Two-way bass re ex Two and a half-way bass re ex Two-way bass re ex Two-way Closed Box
Drive units 165mm
(
6.5in.
)
aluminium Uni-Q
25mm
(
1in.
)
vented
aluminium dome HF
130mm (5.25in.)
aluminium Uni-Q
25mm (1in.) vented
aluminium dome HF
165mm
(
6.5in.
)
aluminium
Uni-Q
25mm
(
1in.
)
vented aluminium
dome HF
165mm (6.5in.) Hybrid
aluminium LF
165mm
(
6.5in.
)
aluminium
ABR
130mm (5.25in.)
aluminium Uni-Q
25mm (1in.) vented
aluminium dome HF
2 x 130mm (5.25in.)
aluminium ABR
130mm (5.25in.) aluminium Uni-Q
25mm (1in.) vented aluminium dome
HF
Frequency range Free Field (-6dB) 42Hz-50kHz 47Hz-50kHz 55Hz-50kHz 57Hz-50kHz 96Hz-19.5kHz
Frequency Response (±3dB) 63Hz-28kHz 51Hz-28kHz 64Hz-28kHz 68Hz-28kHz 105Hz-18.5kHz
Crossover Frequency 2.5kHz 2.5kHz 2.5kHz 2.5kHz 2.5kHz
Ampli er requirements 15-120W 10-100W 15-150W 10-100W 10-100W
Sensitivity (2.83V/1m) 87dB 86dB 87dB 87dB 86dB
Maximum Output 110dB 108dB 110dB 108dB 106dB
Nominal impedance 8Ω
(
min.3.7Ω
)
8Ω
(
min.3.7Ω
)
8Ω
(
min.4.2Ω
)
8Ω
(
min.3.4Ω
)
8Ω
(
min.4.6Ω
)
Weight * 7.6kg
(
16.8 lbs
) 5.6kg (12.3 lbs)
13.6kg
(
30 lbs
)
7.5kg (16.5 lbs) 4.25kg (9.4 lbs)
Dimensions (H x W x D) * 358 x 210 x 306 mm 303 x 180 x 278 mm 210 x 629 x 304 mm 180 x 525 x 214 mm 174 x 180 x 259 mm
Dimensions (H x W x D)
with Rubber Feet *
362 x 210 x 306 mm 307 x 180 x 278 mm 214 x 629 x 304 mm 184 x 525 x 214 mm 178 x 180 x 259 mm
Colour Black / White / Walnut Black / White / Walnut Black / White / Walnut Black / White / Walnut Black / White
* Measurement per unit
Model Q650c
Black Cloth Grille
Q250c
Black Cloth Grille
B2
Wall Bracket
Weight 0.4kg (0.88 lbs) 0.4kg (0.88 lbs) Bracket: 0.33kg each
Rubber: 32g each
Dimension
(
H x W x D
)
617 x 202 x 9 mm 516 x 170 x 9mm Bracket: 39mm x 148mm x 28mm
Rubber: 20mm x 60mm x 26mm
Colour Black Black Black
KEF reserves the right, in line with continuing research and development, to amend or change speci cations. E&OE.
Visit: KEF.com for more about KEF and its products.

KEF q series Specifications

General

Series	Q Series
Type	Bookshelf, Floorstanding
Uni-Q Driver Array	Yes
Enclosure	Bass reflex
Sensitivity	Varies by model (e.g., 87dB)
Impedance	8 Ohms
Maximum Output	Varies by model
Crossover Frequency	Varies by model
Bass Driver Size	Varies by model
Tweeter Size	1 inch
Dimensions (H x W x D)	Varies by model
Weight	Varies by model