Description
KEF Reference 4C Overview
The KEF Reference 4C Meta Centre Speakers offer an impressive audio experience with their three-way bass reflex design, featuring a Uni-Q driver array with a 25mm vented aluminum dome High-Frequency (HF) driver, a 125mm aluminum Mid-Frequency (MF) driver, and four 165mm aluminum cone Low-Frequency (LF) drivers. Boasting a broad frequency range from 33Hz to 45kHz and a frequency response of 48Hz to 35kHz, these speakers deliver rich and accurate sound reproduction. The precise crossover frequencies at 350Hz and 2.8kHz ensure seamless integration of the different drivers. With a maximum output of 116dB and a sensitivity of 90dB, these speakers can handle dynamic audio playback with clarity. The amplifier-friendly design supports power in the range of 50-400W, making them versatile for various audio setups. The speakers maintain low harmonic distortion (<0.5% at 40Hz-100kHz, <0.2% at 200Hz–10kHz) for faithful sound reproduction. With an impedance of 8 Ohms (minimum 3.2 Ohms), the KEF Reference 4C Meta Center Speakers provide stability and compatibility with a range of amplifiers.
KEF Reference 4C: Top 10 Key Features
1. Driver Configuration: The KEF Reference 4C Meta Centre Speakers feature a sophisticated three-way bass reflex design with a Uni-Q driver array. This array includes a 25mm vented aluminum dome High-Frequency (HF) driver, a 125mm aluminum Mid-Frequency (MF) driver, and four 165mm aluminum cone Low-Frequency (LF) drivers, providing a comprehensive and balanced audio spectrum.
2. Frequency Range and Response: The speakers offer an extensive frequency range, with a typical in-room bass response reaching down to 33Hz (-6dB). In free field conditions, the short port delivers a range of 43Hz-45kHz (-6dB), while the long port covers 40Hz-45kHz (-6dB). The overall frequency response is 48Hz-35kHz (±3dB), ensuring a detailed and nuanced audio reproduction.
3. Crossover and Amplification: Precise crossover frequencies at 350Hz and 2.8kHz facilitate seamless integration between the HF, MF, and LF drivers. The speakers are amplifier-friendly, supporting a power range of 50-400W, making them versatile and compatible with various audio setups.
4. Maximum Output and Sensitivity: With a maximum output of 116dB (peak sound pressure level at 1m with pink noise) and a sensitivity of 90dB (2.83V/1m), these speakers deliver powerful and clear audio playback, capturing both delicate nuances and dynamic intensity.
5. Harmonic Distortion and Impedance: The speakers maintain low harmonic distortion, with 2nd & 3rd harmonics measuring <0.5% at 40Hz-100kHz and <0.2% at 200Hz–10kHz. The impedance rating is 8 Ohms (min 3.2 Ohms), ensuring stability and compatibility with a wide range of amplifiers.
KEF Reference 4C: Common Questions
Q1: What is the KEF Reference 4C Meta, and what makes it unique?
A1: The KEF Reference 4C Meta is a high-performance center channel speaker designed for exceptional audio clarity. What sets it apart is its innovative Metamaterial Absorption Technology (MAT), which absorbs unwanted sound frequencies within the driver, reducing distortion and enhancing sound quality.
Q2: What is the benefit of the Uni-Q driver array in the KEF Reference 4C?
A2: The Uni-Q driver array positions the tweeter in the acoustic center of the midrange driver, ensuring precise sound dispersion and imaging. This results in a wider sweet spot and more accurate sound reproduction.
Q3: Can the KEF Reference 4C handle powerful movie soundtracks?
A3: Yes, the Reference 4C is capable of handling substantial power, making it ideal for reproducing dynamic movie soundtracks with clarity and detail.
Q4: What is the recommended amplifier power for the KEF Reference 4C?
A4: While it can work with a variety of amplifiers, a high-quality amplifier with a power output of 100-250 watts per channel is recommended for optimal performance.
Q5: Is the cabinet construction of the Reference 4C important for sound quality?
A5: Absolutely. The Reference 4C features a high-density fiberboard (HDF) cabinet construction, which minimizes vibrations and resonance, resulting in cleaner and more accurate sound reproduction.
Q6: Does the KEF Reference 4C have a wide frequency response?
A6: Yes, it does. The three-way design of the Reference 4C, combined with the Uni-Q driver array, ensures a broad frequency response for lifelike sound.
Q7: How does the bass reflex design with a rear-firing port benefit the speaker?
A7: The rear-firing port extends the low-frequency response of the speaker, delivering deep and impactful bass performance, which is crucial for both music and movies.
Q8: Are there different finish options available for the KEF Reference 4C?
A8: Yes, the Reference 4C is available in various luxurious finishes, allowing you to choose the one that complements your room's aesthetics.
Q9: Is the KEF Reference 4C Meta suitable for large home theater setups?
A9: Absolutely. Its high power handling and exceptional sound quality make it an excellent choice for large home theater systems.
Q10: Where can I buy the KEF Reference 4C, and how can I find the best price?
A10: You can purchase the KEF Reference 4C Meta Centre Channel speaker from authorized KEF dealers or reputable audio retailers. To find the best price, consider comparing prices from multiple sources and taking advantage of any special promotions or discounts offered by authorized dealers.
KEF Reference 4C Spec
KEF Reference 4C Info Sheet
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It depends on where you are and what you are ordering. All types of speakers will take minimum 4-5 business days as per the delivery location. Products that are not magnetic can be delivered faster if customer agrees to bear air-freight cost.
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