
( Brand: Kef ), ( Manufacturer Part Number: SP1320 ), ( Compatible Brand: Universal, For Integra ), ( Type: Woofer ), ( Size: 6.5 ), ( Country Of Origin: United Kingdom )
The **KEF Q Series SP1320 B160 6.5" Woofer with Integrated Tweeter** is a premium, high-performance driver designed for audiophiles and discerning home cinema enthusiasts who demand exceptional sound quality without compromise. Engineered by Kef, a brand synonymous with cutting-edge acoustic innovation, this dynamic speaker combines the legendary precision of their **B160** tweeter with a **6.5-inch** woofer to deliver a seamless, immersive audio experience across the entire frequency spectrum. The **SP1320** series is part of Kef s **Q Series**, a line of speakers that prioritises **linearity, clarity, and dynamic range**, ensuring every nuance of music, dialogue, and sound effects is reproduced with remarkable accuracy.
At the heart of this driver is the **B160 tweeter**, a **high-excursion dome tweeter** that employs Kef s proprietary **Tweeter Waveguide Technology**, which optimises dispersion and minimises colouration for a natural, extended high-frequency response. The tweeter s **aluminium dome** is lightweight yet robust, ensuring rapid and precise movement to capture the subtleties of cymbals, hi-hats, and vocal clarity with exceptional detail. Meanwhile, the **6.5-inch woofer** features a **butterfly cone** a design that balances rigidity and flexibility to produce deep, controlled bass with minimal distortion, even at high SPLs. The woofer s **high-efficiency magnet system** and **optimised dust cap** enhance efficiency and transient response, making it ideal for both music reproduction and demanding home theatre applications.
One of the standout features of the **SP1320** is its **integrated tweeter design**, which eliminates the need for separate crossover components, reducing phase cancellation and improving overall coherence in the soundstage. The driver s **wide dispersion pattern** ensures even coverage, whether you re listening from the front, sides, or rear of the speaker, making it perfect for both small and larger listening rooms. Additionally, the **KEF Q Series** is built with **high-quality materials**, including **moulded polypropylene cones** and **high-tensile spider suspensions**, which contribute to its durability and long-term performance.
For those seeking a **versatile, high-end solution**, the **SP1320 B160** is an excellent choice for **bookshelf setups, satellite speakers, or even as a subwoofer replacement in a two-way system**. Its **balanced frequency response** ranging from the deepest bass to the brightest trebles makes it suitable for a wide range of audio formats, from **high-resolution lossless files** to **Dolby Atmos and DTS:X** immersive audio. Whether you're a **classical music enthusiast, a film buff, or a gaming aficionado**, this driver delivers a **rich, engaging, and emotionally resonant** listening experience that truly brings sound to life.
Built to Kef s rigorous standards, the **SP1320 B160** is not just a speaker component it s a **statement of acoustic excellence**, blending **innovative engineering with timeless craftsmanship**. Ideal for those who refuse to settle for anything less than perfection, this driver is a **must-have for any serious audio system**, ensuring that every listening session is an unforgettable journey into the heart of the music and the world of sound.
### Pros and Cons of buying a Kef SP1320 B160 (6.5" Woofer Tweeter) in the U.K.
#### **Pros:**1. **High-Quality Sound Reproduction**
The Kef SP1320 is a well-regarded speaker driver known for its accurate and detailed sound reproduction. The B160 model, in particular, is designed to deliver balanced audio with a wide frequency response, making it suitable for both music and critical listening.
2. **Premium Build Quality**
Kef speakers are known for their robust construction, and the SP1320 is no exception. The driver uses high-quality materials, including a Kevlar-reinforced cone and a high-tensile aluminum basket, ensuring durability and longevity.
3. **Wide Frequency Response**
The combination of the 6.5" woofer and tweeter provides a broad soundstage, from deep bass to crisp highs. This makes it ideal for audiophiles who demand a full and immersive listening experience.
4. **Compatibility with High-End Systems**
The SP1320 is often paired with Kef s own amplifiers and crossover systems, but it can also integrate well with other high-quality audio components. Its impedance and sensitivity ratings (typically 8 ohms and high sensitivity) make it versatile for various setups.
5. **Good for Home Audio and Small Rooms**
While not a subwoofer replacement, the 6.5" woofer provides a solid low-end response, making it suitable for small to medium-sized rooms. It s a great choice for bookshelf or floor-standing speaker systems.
6. **Reputation for Clarity and Imaging**
Kef drivers are praised for their ability to produce clear, well-defined sound with excellent imaging meaning instruments and vocals appear to be precisely located in space, enhancing the listening experience.
7. **Aftermarket Support**
The SP1320 is a popular driver among audiophiles and DIY speaker builders, so replacement parts and modifications are widely available if needed.
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#### **Cons:**1. **Price Point**
The Kef SP1320 is not a budget-friendly driver. Purchasing it as part of a speaker system or as a standalone component can be expensive, especially in the U.K., where import duties or premium pricing may apply. For casual listeners, this may not justify the cost.
2. **Not Ideal for Large Rooms or High Power Handling**
While the SP1320 delivers excellent sound, it is not designed for extremely large rooms or high-power amplification. In spaces requiring deep bass or high volume, a larger woofer or subwoofer would be more appropriate. The B160 model is optimized for moderate power levels (typically 20-50W RMS), so overdriving it could risk distortion or damage.
3. **Limited Bass Extension**
As a 6.5" driver, the SP1320 s bass response is not as deep as larger woofers (e.g., 8" or 10"). If you prioritize sub-bass frequencies (e.g., for movies or electronic music), you may need to pair it with a subwoofer or accept a slightly less immersive low-end.
4. **Requires Proper Enclosure Design**
The SP1320 performs best when housed in a well-designed enclosure (e.g., sealed or ported). Poorly designed cabinets can lead to muddy bass, poor imaging, or even damage to the driver. DIY builders must ensure proper tuning and damping.
5. **Availability and Lead Times**
Depending on the retailer, the SP1320 may not always be in stock, and lead times could be longer than for more mass-produced drivers. Prices may also fluctuate based on demand.
6. **Not Ideal for Portable or Travel Use**
Due to its size and weight, the SP1320 is not practical for portable audio systems or travel. It s best suited for stationary home audio setups.
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### **Conclusion:**The Kef SP1320 B160 is an excellent choice for audiophiles or listeners who prioritize **clarity, imaging, and high-fidelity sound reproduction** in a well-designed speaker system. Its premium build, accurate sound, and compatibility with high-end components make it a strong contender for those willing to invest in quality audio. However, it is **not ideal for budget-conscious buyers, large-room setups, or users who require deep bass without a subwoofer**.
If you re building a speaker system for a small to medium room and can afford the cost, the SP1320 is a **highly recommended driver** for achieving studio-like sound quality. For casual listeners or those on a tighter budget, alternatives like the Fostex PM-6 or ESS Evolution Series might offer a more balanced cost-performance ratio.
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### **Recommendation:**- **Buy if:** You are an audiophile or serious listener who values detailed sound, imaging, and is willing to invest in a high-quality driver for a well-tuned speaker system. Pair it with a suitable amplifier (e.g., Kef Q series or a high-end tube amp) and a properly designed enclosure.
- **Avoid if:** You need deep bass, are on a tight budget, or require a portable solution. Consider alternatives like the **Fostex PM-6, ESS Evolution, or Seas T12** if your priorities differ.
- **Where to Buy in the U.K.:** Check reputable retailers like **Audiogon, Audio4Less, or specialist audiophile shops** for genuine products. Ensure the driver is new or in excellent condition if buying secondhand.
Manufactured in the United Kingdom by reputable brand KEF, this woofer is compatible with universal brands like Integra. The KEF SP1320 B160 6-1/2 4 Ohm Woofer is a high-quality speaker component designed for home audio systems. The product does not include a tweeter, making it perfect for those looking to enhance their audio experience with powerful and reliable woofer speaker setup.