Kef Reference 1 Meta

Kef Reference 1 Meta

SPECIFICHE TECNICHE

Design: Three-way bass reflex

Drive Units – Uni-Q driver array with MAT Technology:

HF: 25mm (1in.) vented aluminium dome

MF: 125mm (5in.) aluminiumBass units:

LF: 165mm (6.5in.) aluminium

Frequency range free field (-6dB): Short port: 40Hz – 45kHz  / Long port: 37Hz – 45kHz

Frequency range typical in room bass response (-6dB): 30Hz

Frequency Response: 45 Hz – 35 KHz (±3 dB)

Crossover frequency: 450Hz, 2.1kHz

Amplifier requirements: 50 – 200 W

Sensitivity (2.83V/1m): 85 dB

Harmonic Distortion: 2nd & 3rd harmonics (90 dB, 1 m)

< 0.5% 40 Hz – 100 KHz

< 0.2% 200 Hz – 2 KHz

< 0.1% 2 kHz – 20 KHz

Max Output: 111 dB (peak sound pressure level at 1m with pink noise)

Impedance: 4 Ohm (min.3.2 Ohm)

Weight: 18.2 Kg / unit

Dimensions – with grille and terminal (H x W x D): 440 x 205 x 430 mm

Finishes: Satin Walnut/Silver, High-Gloss White/Blue, High-Gloss White/Champagne, High-Gloss Black/Grey, High-Gloss Black/Copper