KEF LS50 Anniversary Model loudspeaker Specifications

Sidebar1: Specifications

Description: Two-way, reflex-loaded, stand-mounted loudspeaker. Drive-units: Uni-Q driver array with 1" (25mm) vented aluminum-dome tweeter, 5.25" (130mm) magnesium/aluminum alloy-cone woofer. Crossover frequency: 2.2kHz. Frequency range (–6dB): 47Hz–45kHz. Frequency response: 79Hz–28kHz, ±3dB. Sensitivity: 85dB/2.83V/m. Nominal impedance: 8 ohms. Minimum impedance: 3.2 ohms. Harmonic distortion (second and third harmonics, 90dB, 1m): <0.4%, 175Hz–20kHz. Amplifier requirements: 25–100W. Maximum output: 106dB.
Dimensions: 11.9" (302mm) H by 7.9" (200mm) W by 10.9" (278mm) D. Weight: 15.8 lbs (7.2kg).
Finish: High-gloss piano-black cabinet with matte-black baffle and rose-gold Uni-Q driver diaphragms.
Serial Numbers of Units Reviewed: 1302E22N1G & 1306E22N1G.
Price: $1499.99/pair. Approximate number of dealers: Undisclosed.
Manufacturer: GP Acoustics (UK) Ltd., Ecceleston Road, Tovil, Maidstone, Kent ME15 6QP, England, UK. US distributor: GP Acoustics (US) Inc., 10 Timber Lane, Marlboro, NJ 07746.Tel: (732) 683-2356. Fax: (732) 683-2358. Web:

GP Acoustics
US distributor: GP Acoustics
10 Timber Lane
Marlboro, NJ 07746
(732) 683-2356
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