 Site Links
Recent Additions
Budget Components Audacious Audio
Loudspeakers
Amplification
Digital Sources
Analog Sources
Accessories Listening / Art Dudley The Fifth Element / John Marks Music in the Round / Kal Rubinson Fine Tunes / Jonathan Scull Special Features Reference Interviews Think Pieces Historical Recording of the Month Records 2 Die 4 Music/Recordings Stephen Mejias Robert Baird Fred Kaplan Wes Phillips Audio News Past eNewsletters RMAF 2008 FSI 2008 CES 2008 RMAF 2007 CEDIA 2007 HE 2007 FSI 2007 CES 2007 China 2006 RMAF 2006 HFN 2006 CEDIA 2006 HE 2006 FSI 2006 CES 2006 Forums Galleries Vote Previous Votes Dealer Locator AV Links Audiophile Societies Contact Us Customer Service New Subscription Digital Subscription Renew Give a Gift Sub Services Recordings Backissues More . . . Phono Preamp Hi-Fi Phono Cartridge Amplifiers Stereo Speakers |
 |
|
|
KEF Reference Series Model Four loudspeaker:
Sidebar 1: Description Specifications: Four-way, six-driver loudspeaker system with coupled-cavity bass loading. Drive-units: 1" (25mm) soft-dome tweeter, 6.5" (160mm) polypropylene-cone midrange unit, 2x6.5" (160mm) polypropylene-cone lower midrange units, 2x10" (250mm) pulp-cone woofers. Crossover frequencies: 2.8kHz, 500Hz, 160Hz. Frequency response: 35Hz-20kHz ±3dB, -6dB at 32Hz. Nominal impedance: 4 ohms. Maximum spl: 118dB. Sensitivity: 92dB/W/m. Amplifier requirements: 50-400W.
Article Continues: Measurements »
|
|
|
|
 Sponsored Technology Center
|
|||||||||||||||||||||||||||||||||||||||||||
