Reference 4 Meta
Passive three-way centre-channel loudspeaker from KEF's Reference line, built around a 12th-generation Uni-Q driver array with Metamaterial Absorption Technology and four bass drivers. Intended for home cinema systems, and it can also serve as a left, centre or right speaker.
- Passive three-way bass-reflex centre speaker
- 12th generation Uni-Q driver array with MAT
- Four bass drivers
- Frequency response 48Hz – 35kHz
- Amplifier requirement 50-400W
- Can be used as Left-Centre-Right speaker
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Reference 4 Meta is a passive centre-channel speaker for home cinema and high-end multichannel setups. It combines a 12th-generation Uni-Q driver array, which acts as a single point source to spread sound evenly across the room, with four bass drivers in a three-way bass-reflex cabinet. The same model can also be used as a left, centre or right speaker.
Metamaterial Absorption Technology (MAT) is a maze-like structure behind the driver that absorbs 99% of unwanted rear sound to reduce distortion. Other design features include Shadow Flare, which limits cabinet diffraction, a cabinet shaped and braced using finite element analysis with Constrained Layer Damping, and Flexible Port Technology for adjusting the speaker to the room. Each speaker is compared against a laboratory reference standard, and pairs can be matched within 0.5 dB.
Being passive, it needs an external amplifier rated for 50-400 W. It is engineered and handbuilt in Maidstone, Kent, UK. The listing shows the High-Gloss White/Champagne finish.
Vidjo
Speċifikazzjonijiet
- Marka
- KEF
- Mudell
- Reference 4 Meta
- Kategorija
- Hi-Fi u awdjo tad-dar › Speakers
Audio
- Type
- Passive HiFi Speaker
- Design
- Three-way Bass Reflex Design
- Frequency response
- 48Hz – 35kHz
- Driver technology
- 12th Gen Uni-Q Technology
- Absorption technology
- Metamaterial Absorption Technology (MAT)
- Bass drivers
- 4
- Low frequency driver size
- 165mm (6.5 inch)
- Cabinet technologies
- Shadow Flare, Constrained Layer Damping, Flexible Port Technology
Power
- Amplifier requirements
- 50-400W
Physical
- Colour
- High-Gloss White/Champagne
- Model code
- SP4052A
- Channel use
- Centre; can be used as Left-Centre-Right speaker
- Pair matching
- Within 0.5dB to laboratory reference standard
- Origin
- Engineered and handcrafted in UK
Software
- Downloads
- Information sheet, brochure, manual, white paper, EU Declaration