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REFERENCE 1 Bookshelf Speaker

KEF REFERENCE 1's innovative technology means that you don't need a big cabinet to enjoy expansive, premium quality sound.

DESIGN: Three-way Bass Reflex

DRIVE UNITS: Uni-Q driver array: HF: 25mm (1in.) vented aluminium dome, MF: 125mm (5in.) aluminium

Bass units: LF: 1 x165mm (6.5in.) aluminium

FREQUENCY RANGE: Typical in room bass response: 30Hz (-6dB), Free Field - Short port: 40Hz - 45kHz (-6dB), Free Field - Long port: 37Hz - 45kHz (-6dB)

FREQUENCY RESPONSE: 45Hz- 35kHz (±3dB)

CROSSOVER FREQUENCIES: 350Hz, 2.8kHz

MAXIMUM OUTPUT: 111 dB (peak sound pressure level at 1m with pink noise)

AMPLIFIER CLASS: 50-200W

SENSITIVITY: 85dB (2.83V/1m)

HARMONIC DISTORTION: 2nd & 3rd harmonics (90dB, 1m), 0.5% 40Hz - 100kHz, 0.2% 200Hz - 10kHz

IMPEDANCE: 8 Ohms (min.3.2 Ohms)

DIMENSIONS HxWxD with grille and terminal: 440x205x430 mm (17.3x8.1x16.9 in)

WEIGHT: 18.2kg (40.1lbs)