
Reference 1 Meta
A passive three-way bookshelf (standmount) loudspeaker and the only standmount model in KEF's Reference series. It uses a 12th-generation Uni-Q driver array with Metamaterial Absorption Technology and suits listeners who want full-range hi-fi sound from a compact cabinet.
- Three-way bass-reflex passive standmount speaker
- 12th-generation Uni-Q array with MAT
- Frequency response 45 Hz – 35 kHz (±3 dB)
- Sensitivity 85 dB, nominal impedance 4 Ω
- Needs 50 – 200 W amplifier power
- Handbuilt in Maidstone, UK; pairs matched within 0.5 dB
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Reference 1 Meta is a passive, three-way bass-reflex standmount speaker. Its Uni-Q driver array combines a 25 mm aluminium dome tweeter with Metamaterial Absorption Technology (MAT) and a 125 mm aluminium midrange cone on a single axis, which spreads sound evenly through the room. A 165 mm aluminium cone handles the bass. MAT is a maze-like structure that absorbs 99% of the unwanted sound radiated from the rear of the tweeter.
The cabinet was shaped and braced using finite element analysis to limit secondary radiation, and Constrained Layer Damping converts remaining vibration into heat. A Shadow Flare surround reduces cabinet diffraction around the Uni-Q array. Flexible Port Technology lets the user tune bass output to the room with a short or long port, and the speaker is not demanding about placement.
The speaker is a passive model, so it needs a separate amplifier delivering 50 to 200 W. It is built by hand in Maidstone, Kent, UK, and each pair is matched within 0.5 dB to a laboratory reference standard. The optional S-RF1 floor stand is designed for it and has integrated cable management.
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Specifikacije
- Marka
- KEF
- Model
- Reference 1 Meta
- Kategorija
- Hi-Fi i kućni audio › Zvučnici
Audio
- Design
- Three-way bass reflex
- Frequency response (±3dB)
- 45Hz – 35kHz
- Frequency range (-6dB)
- Short port: 40Hz -45kHz; Long port: 37Hz - 45kHz
- Typical in-room bass response (-6dB)
- 30Hz
- Sensitivity (2.83V/1m)
- 85dB
- Maximum SPL measured at 1m
- 111 dB
- THD (90dB, 1m)
- <0.5% 40Hz – 100kHz; <0.2% 200Hz – 2kHz; <0.1% 2kHz - 20kHz
Drivers
- Uni-Q HF driver
- 25 mm (1 in.) aluminium dome with MAT
- Uni-Q MF driver
- 125 mm (5 in.) aluminium cone
- LF driver
- 165 mm (6.5 in.) aluminium cone
- Crossover frequency
- 450 Hz, 2.1 kHz
Electrical
- Nominal impedance
- 4 Ω (min. 3.2 Ω)
- Recommended amplifier power
- 50 - 200W
- Type
- Passive
Physical
- Dimensions (H x W x D)
- 440 mm x 205 mm x 422 mm (17.3 in. x 8.1 in. x 16.6 in.)
- Weight
- 18.2 kg (40.1 lbs.)
- Finish
- High-Gloss White/Blue
- Sold as
- Pair
- Dimension note
- With grille and terminal
Accessories
- Optional stand
- S-RF1 Floor Stand with integrated cable management