Reference 3 Meta
Reference 3 Meta
KEF Reference 3 Meta
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Design:
Three-way bass reflex design for optimal sound performance and depth. -
Drive Units:
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Uni-Q Driver Array:
- HF: 25 mm (1 in.) aluminum dome with Metamaterial Absorption Technology (MAT).
- MF: 125 mm (5 in.) aluminum cone.
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Bass Units:
- LF: Two 165 mm (6.5 in.) aluminum cones for enhanced bass response.
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Uni-Q Driver Array:
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Frequency Range (Free Field -6dB):
- Short port: 38 Hz - 45 kHz.
- Long port: 35 Hz - 45 kHz.
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Typical In-Room Bass Response (-6dB):
28 Hz, ensuring deep bass performance. -
Frequency Response (±3dB):
Ranges from 43 Hz to 35 kHz, delivering a balanced audio spectrum. -
Crossover Frequency:
450 Hz, 2.1 kHz for smooth transitions between frequency ranges. -
Amplifier Requirements:
Suitable for amplifiers ranging from 50 to 300W. -
Sensitivity:
86 dB (2.83V/1m), allowing for efficient sound reproduction. -
Harmonic Distortion (90dB, 1m):
- Less than 0.5% from 40 Hz to 100 kHz.
- Less than 0.2% from 200 Hz to 2 kHz.
- Less than 0.1% from 2 kHz to 20 kHz, ensuring minimal distortion for accurate sound reproduction.
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Maximum Output:
Capable of reaching a peak sound pressure level of 113.5 dB at 1m with pink noise. -
Impedance:
4 Ω (minimum 3.2 Ω), compatible with a wide variety of amplifiers. -
Weight:
51.3 kg (113.1 lbs), providing a solid and stable build. -
Dimensions:
- With grille and terminal: 1155 x 205 x 462 mm (45.5 x 8.1 x 18.2 in.).
- With grille, terminal, and plinth: 1207 x 323 x 467 mm (47.5 x 12.7 x 18.4 in.).