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Infinity Kappa 600 Loudspeakers Review

by December 07, 2006
Infinity Kappa 600

Infinity Kappa 600

  • Product Name: Kappa 600
  • Manufacturer: Infinity
  • Performance Rating: StarStarStarStar
  • Value Rating: StarStarStarStar
  • Review Date: December 07, 2006 12:10
  • MSRP: $ 2400/pr

Frequency Response (+/-3db): 30Hz – 27kHz
Sensitivity (2.83V @ 1m): 90 db
Nominal Impedance: 6 ohms
Tweeter: 1” Dome
Midrange: 6 ½” Cone
Woofer: 10” Cone
Crossover Frequencies: 100Hz, 3000Hz
Crossover Slope: 24db/octave
Recommended Power: 35 – 200 watts/channel
Dimensions (HxWxD):  37.38” x 8.69” x 16.75”
Weight (each): 71.5 lbs
Enclosure Type: Rear Ported


  • Detailed, natural sound that will reveal your best recordings.
  • Crisp transient response.
  • Stylish, well constructed cabinets.


  • Unforgiving of some recordings.
  • Tweeter/midrange grille is flimsy.


It seems that nearly every recent review I've seen for an Infinity product laments the passing of the perceived glory days of Infinity under its founders: gone are the Infinity Reference Standards (IRS), their many reincarnations, and their offspring. Acknowledgment of what the current masters have accomplished is given almost begrudgingly. Under the guidance of the likes of Harman International Industries Incorporated and Dr. Floyd Toole, who espouses a philosophy of simple design and good engineering, Infinity is perceived to have moved into the mainstream.
About the author:

Professionally, David engineers building structures. He is also a musician and audio enthusiast. David gives his perspective about loudspeakers and complex audio topics from his mechanical engineering and HAA Certified Level I training.

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