KEF XQ40 specifications

Category : Speakers

General

Tech nical data

Special equipment

Other models of the same series:

Manufacturer: 297837cedf2721e3c8b9fa2a31f94c2a
Model: XQ40
Years of construction: 2007 -
Manufactured in: China
Color: Bird's eye maple, Khaya Mahogany, Piano lacquer Black
Dimensions: 1020 x 231 x 302 mm (HxWxD)
Weight: 23.4 kg
Original price approx.: 3200 € (RRP pair)

Type of construction: 3-way bass reflex, floorstanding speaker< /li>
Chassis:
- Woofer: 2x 165 mm Cone
- Midrange driver: 1x 165 mm (Uni-Q)
- Tweeter: 1x 19 mm dome (coaxial in the midrange driver)
Load capacity (nominal/music B.):
recommended amplifier power: 15 - 200 W
Efficiency: 90 dB (2.83V/1m)
Frequency response: 45 - 55,000 Hz (±3 dB)
Transition ranges: 400 / 2,500 Hz
Impedance: 8 ohms (min. 3.2 Ohm)

Woofer: 2x 165 mm cone
Midrange driver: 1x 165 mm (Uni-Q)
Tweeter: 1x 19 mm dome (coaxial in the midrange driver)

magnetically shielded

XQ10
XQ20
XQ30
XQ40
XQ50c

stereoplay Issue 6/2009; 2nd/3rd place in the test: "good - very good" (78 points) Price/performance: "outstanding", "Highlight"
- "Highly developed, narrowly calculated standbox with Uni-Q of the latest kind Sounds incredibly clear, grown-up and accurate for your money."
HD + TV: Issue 1/2009; Individ ual test: "very good" (86 out of 100 points)
- "... The individual bass drivers provide a clean bass reproduction without drawing attention to themselves by noticeable phase shifts and runtime differences and undermining the advantages of the Uni Q chassis. ..."
stereo edition 6/2008; 1/3 place in the test: Sound level: 73% Price/performance: "excellent"
- "... With just over 85 decibels, the Englishwoman achieves a good efficiency. Even smaller amplifiers and tubes should therefore play sufficiently loud on it. The jump response is typical of the system."
HiFi test edition 3/2008; Single test: 1.1; Reference class Price/performance: "excellent", "Sound tip"
- "... The further developed Uni-Q chassis is clearly superior to conventional multipath systems in terms of spatial representation and makes this special musical enjoyment possible in the first place. ..."
audio edition 3/2008; Individ ual test: "outstanding" (high-end class; 93 points)
- "Plus: Honest all-rounder with enchanting room projection, amazingly compact.
- Minus: Room a little dark, bass could come drier."
a null edition 4/2010; Single test: without final grade
- "'I am a self-confessed fan of point sound sources and therefore appreciate the natural virtues of an XQ40. But what it also has in store in terms of neutrality, joy of playing and resolution sets it apart from the many other broadband and coaxial systems by far.'"
HiFi Loudspeaker Test Edition 1/2009; Single test: 1.3; Premium class Price/performance: "very good"
- "Plus: excellent sound; elegant design; first-class workmanship."

"Highly developed, precisely calculated floorstanding speaker with the latest Uni-Q sounds incredibly clear, grown-up and accurate for your money."

"... The individual bass drivers provide a clean bass reproduction without drawing attention to themselves by noticeable phase shifts and runtime differences and undermining the advantages of the Uni Q chassis. ..."

"... With just over 85 decibels, the Englishwoman achieves a good efficiency. Even smaller amplifiers and tubes should therefore play sufficiently loud on it. The jump response is typical of the system."

"... The further developed Uni-Q chassis is clearly superior to conventional multipath systems in terms of spatial representation and makes this special musical enjoyment possible in the first place. ..."

"Plus: Honest all-rounder with enchanting room projection, amazingly compact.
Minus: Room a little dark, bass could come drier."

"'I am an avowed fan of point sound sources and therefore appreciate the natural virtues of an XQ40. But what it also has in store in terms of neutrality, joy of playing and resolution sets it apart from the many other broadband and coaxial systems by far.'"