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IN THE BOX | |
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Sales Package | Kef Reference 4 Meta Center Loudspeaker and User documentation |
General | |
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Brand | Kef |
Model | Reference-4 Meta |
Year | |
Color | black |
Dimension | |
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Dimension | 205 x 1090 x 463 mm |
Weight | 45.2 kg |
Specifications | |
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Design | Three-way bass reflex |
Drive units | HF: 25 mm (1 in.) aluminium dome with MAT MF: 125 mm (5 in.) aluminium cone? |
Bass units | LF: 4 x 165 mm (6.5 in.) aluminium cone |
Frequency range free field (-6dB) | Short port: 43Hz – 45kHz Long port: 40Hz – 45kHz |
Frequency range typical in room bass response (-6dB) | 33Hz |
Frequency response (±3dB) | 48Hz – 35kHz |
Crossover frequency | 450Hz, 2.1kHz |
Amplifier requirements | 50-400W |
Sensitivity (2.83V/1m) | 88dB |
Harmonic distortion 2nd & 3rd harmonics (90dB, 1m) | <0.5% 40Hz – 100kHz <0.2% 200Hz – 2kHz <0.1% 2kHz – 20kHz |
Maximum output (peak sound pressure level at 1m with pink noise) | 116dB |
Impedance | 4 min. 3.2 ) |
Warranty | |
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Warranty Type | Official Manufacturer Warranty |