KEF XQ40

Data

General

• Manufacturer: KEF
• Model: XQ40
• Years of manufacture: 2007 -
• Made in: China
• Colour: Birdseye Maple, Khaya Mahogani, Black Piano Finish
• Dimensions: 1020 x 231 x 302 mm (HxWxD)
• Weight: 23,4 kg
• Original price approx.: 3200 € (RRP pair)

Technical Data

• Type: 3-way bass reflex, floorstanding speaker
• Chassis:
  • woofer: 2x 165 mm cone

midrange driver: 1x 165 mm (Uni-Q)

• • tweeter: 1x 19 mm dome (coaxial in midrange)

Power handling (nominal/music):

• recommended amplifier power: 15 - 200 W

efficiency: 90 dB (2,83V/1m) frequency response: 45 - 55.000 Hz (±3 dB)

• crossover frequency: 400 / 2.500 Hz
• impedance: 8 Ohm (min. 3.2 Ohm)

Special Features

• magnetically shielded

Remarks

Other models in the same series:

• XQ10
• XQ20
• XQ30
• XQ40
• XQ50c

Pictures

Reviews

• stereoplay issue 6/2009; 2nd/3rd place in test: "good - very good" (78 points) Price/Performance: "outstanding", "highlight".
  • "Sophisticated, tightly calculated floorstanding speaker with Uni-Q of the latest kind. Sounds fabulously clear, grown-up and room-accurate for its money."
• HD + TV: issue 1/2009; single test: "very good" (86 out of 100 points).
  • „... The individual woofer drivers perform clean bass reproduction without drawing attention to themselves through noticeable phase shifts and differences in running time, undermining the advantages of the Uni Q chassis. ...“
• stereo issue 6/2008; 1/3rd place in test: sound level: 73% price/performance: "excellent".
  • „... With just over 85 decibels, the English speaker achieves a good efficiency. Even smaller amplifiers and tubes should play sufficiently loud. The step response turns out neatly, as is typical for the system."
• HiFi test Issue 3/2008; Single test: 1,1; Reference class Price/Performance: "excellent", "sound tip".
  • „... The further developed Uni-Q chassis is clearly superior to conventional multi-way systems in terms of spatial representation and makes this special musical enjoyment possible in the first place. ...“
• audio issue 3/2008; single test: "outstanding" (high-end class; 93 points).
  • "Plus: Honest all-rounder with enchanting room projection, amazingly compact.
  • Minus: Room a bit dark, bass could come drier."
• einsnull Issue 4/2010; Single test: without final score.
  • "'I am a self-confessed fan of point source speakers and therefore appreciate the natural virtues of an XQ40. But what it has in store on top of that in terms of neutrality, playfulness and resolution sets it far apart from the many other wideband and coaxial systems.'"
• HiFi Lautsprecher Test Issue 1/2009; Single test: 1,3; Upper class Price/Performance: "very good".
  • "Plus: excellent sound; elegant design; first-class workmanship."

Links

• product page at KEF