KEF Home THX Loudspeaker System Specifications

Sidebar 3: Specifications

AV3 LCR loudspeaker: Two-way sealed box system with two 61/2" cone woofers and three 1" soft-dome tweeters in vertical mirror-image configuration. Frequency response: 80Hz–20kHz, ±3dB. Crossover frequency: 3kHz. Nominal impedance: 4 ohms. Sensitivity: 90dB/W/m. Maximum output: 112dB. Amplifier requirements: 10–150W.
Dimensions: 23.6" H by 9.4" W by 7.1" D. Weight: 28 lbs.
Serial numbers of samples reviewed: 1618, 1645, 1652.
Price: $800 each, 1996; no longer available (2012).

AV2 surround loudspeaker: Three-way, reflex-loaded dipole with two 1" dome tweeters, two 4" cone midrange units, and one 5" cone woofer. Frequency response: 125Hz–8kHz, ±3dB. Crossover frequencies: 400Hz, 8kHz. Nominal impedance: 4 ohms. Sensitivity: 89dB/W/m. Amplifier requirements: 10–100W.
Dimensions: 10" W by 12" W by 5" D. Weight: 13 lbs.
Serial numbers of samples reviewed: 1594L, 1594R.
Price: $750 each, 1996; no longer available (2012).

AV1 powered subwoofer: Two 9" cone drivers. Enclosure type: coupled cavity. Frequency response: 22–150Hz, ±2.5dB, 6dB down at 18Hz, Stereo mode; 35–80Hz, ±2.5dB, 6dB down at 29Hz, THX mode. Crossover: 80Hz in THX mode, variable from 50Hz to 150Hz in stereo mode. Balanced inputs: XLR and binding posts. Unbalanced inputs: RCA. Input impedance: 22k ohms unbalanced, 100k ohms balanced. Controls: AC power, stereo/THX mode selector, input level (stereo mode only), blend control. Outputs: THX loop, 100Hz high-pass, unfiltered loop, XLR loop.
Dimensions: 22" W by 17" H by 120" D. Weight: 109 lbs.
Serial number of sample reviewed: 1505.
Price: $3500, 1996; no longer available (2012).

Entire system: Price: $7000 ($7200 with rosewood subwoofer), 1996; no longer available (2012). Approximate number of dealers: 300.
Manufacturer: KEF Electronics, England. US distributor: GP Acoustics (US) Ltd., 10 Timber Lane, Marlboro, NJ 07746. Tel: (732) 683-2356. Fax: (732) 683-2358. Web:

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