KEF SP1637 Bass 6.5

( Brand: Kef ), ( Manufacturer Part Number: SP1637 ), ( Driver Size: 6.5 ), ( Type: Lf Driver ), ( Shape: Round ), ( System Configuration: 2.0 Channel ), ( Color: Black ), ( Connectivity: Wired ), ( Material: Aluminum ), ( Features: High End ), ( Impedance: 4 Ohms )

Review KEF Reference 6.5 Inch Bass Drivers

Introducing the KEF SP1637 6.5-inch Bass Driver, a high-performance component designed to deliver deep, rich bass for your home audio system. This bass driver is an excellent addition to any stereo or multichannel speaker setup, delivering accurate and powerful low-frequency response.

The KEF SP1637 bass driver is characterized by its large 6.5-inch (165mm) impulse-molded, glass-fiber cone. This cone is lightweight yet rigid, ensuring excellent efficiency and low distortion. The cone's unique design includes a radially braced, die-cast aluminum chassis that provides additional rigidity and reduces unwanted vibrations, resulting in a clear and precise bass response.

The driver also features a high-temperature aluminum voice coil, which can handle high power levels and maintain its performance even under heavy usage. The voice coil is supported by a dual-stacked, high-temperature aluminum former, which helps to dissipate heat and ensures consistent performance over long periods.

The KEF SP1637 bass driver is designed to work seamlessly with other KEF speakers, thanks to its carefully engineered magnetic structure and motor system. The driver's neodymium magnet system provides a strong magnetic field, which helps to create a powerful and dynamic bass response. The driver's low-mass voice coil and high-frequency suspension also contribute to its excellent transient response, allowing it to reproduce bass notes with exceptional speed and clarity.

This bass driver is also designed to be easy to install, with a standard mounting depth of 76mm and a nominal impedance of 8 ohms. The driver comes with a high-quality, gold-plated push-fit terminal, making it simple to connect to your amplifier or speaker crossover.

In summary, the KEF SP1637 6.5-inch Bass Driver is a high-performance component designed to deliver deep, accurate, and powerful bass for your home audio system. Its lightweight and rigid glass-fiber cone, high-temperature aluminum voice coil, and carefully engineered magnetic structure make it an excellent addition to any stereo or multichannel speaker setup. With its easy-to-install design and high power handling capabilities, the KEF SP1637 is an excellent choice for audiophiles and home theater enthusiasts looking to enhance their system's bass response.

The KEF SP1637 6.5-inch bass driver is a popular choice for those looking to enhance the low-frequency performance of their audio systems. Here are some pros and cons to consider before making a purchase:

1. High-quality sound: KEF is known for producing high-quality audio equipment, and the SP1637 is no exception. It delivers clear, detailed bass that can significantly improve the sound quality of your speakers.

2. Versatile application: These drivers can be used in a variety of applications, including home theater systems, car audio systems, and professional audio setups.

3. Durable construction: The SP1637 is built to last, with a sturdy aluminum cone and a powerful neodymium magnet. This makes it suitable for heavy use and ensures consistent performance over time.

4. Affordable price: Compared to other high-end bass drivers, the SP1637 is relatively affordable, making it a great option for those on a budget.

1. Complex installation: Installing these drivers can be a complex process, especially if you're not experienced in audio system setup. You may need to consult the user manual and seek the help of a professional installer.

2. Requires additional components: To get the best possible performance from the SP1637, you may need to invest in additional components such as crossovers, amplifiers, and enclosures. These can add to the overall cost of the system.

3. Limited power handling: With a maximum power handling of 150 watts RMS, the SP1637 may not be suitable for high-power applications. This could limit its use in certain types of audio systems.

The KEF SP1637 6.5-inch bass driver offers high-quality sound, versatile application, durable construction, and an affordable price point. However, it also comes with complex installation, the need for additional components, and limited power handling. Ultimately, if you're looking for a high-performance bass driver that offers great value for money, the SP1637 is a solid choice. Just be prepared for the potential complexity of installation and the additional costs of necessary components.

If you're in the market for a new bass driver and the KEF SP1637 fits your requirements, I would recommend giving it a serious consideration. However, make sure to carefully consider the installation process and the additional components you may need to purchase to ensure optimal performance. Additionally, if you require high power handling or prefer a more user-friendly installation process, there may be other options worth exploring.

Details:

Kef SP1637 6.5 LF 4 ohm reference drivers. From R300 speakers. This is a pair On the other, looks like voice coil has some rub marks, but other soft parts look good.

For the one in excellent condition I can hook it up to a DAT's-v3 and get gifts parameters if you'd like, just shoot me message. One is in excellent working condition.

part #: sp1637 price

• $200.00

specifications shuspea:

• brand: Kef
• mpn: Sp1637
• driver size: 6.5
• type: Lf Driver
• shape: Round
• system configuration: 2.0 Channel
• color: Black
• connectivity: Wired
• material: Aluminum
• features: High End
• impedance: 4 Ohms

payments shuspea:

• credit card: Visa
• wallet: Paypal
• other

seller shuspea:

• # reviews: 105
• rating: 100.0%
• city: Palatka, Florida

offer shuspea:

• availability: In Stock
• started: May 25, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0
• best offers: True

general shuspea:

• condition: For parts or not working
• TV, Video Home Audio > Home Audio > Home Speakers Subwoofers

shipping shuspea:

• type: Fixed
• cost: $20.00
• class: Standard
• transit: 4-8 Days
• service: USPS Ground Advantage
• carrier: USPS

returns shuspea:

• policy: No Returns

Kef SP1637 Is Similar To:

• 107-2 Kef Reference Series Speakers Vg Condition Eq (40.9% similar) Kef pair of speakers. Black ash in good to excellent condition with lube equalizer and hood...(October 17th, 2018)
• Kef Reference 104-2 British Audiophile (47.5% similar) All drivers are in excellent working condition including the woofers cabinets. They are in beautiful rosewood finish and sound fabulous, so clear intimate yet punchy when needed. Up for sale is a pair of legendary Kef speakers in mint condition...(June 22nd, 2017)
• Model100 Kef Reference Series Model (44.2% similar) It has been fully tested and is 100 functional. 93 5, for instance channel speaker. This high quality speaker was made in the UK, and has a solid, substantial feel. On offer is a nice Kef reference series model 100 channel speaker. A great opportunity to acquire this excellent. Cosmetically it is ...(October 29th, 2017)
• Reference100 Kef Reference Model (40.5% similar) Shipped with USPS parcel select ground. Condition is used. Kef reference model 100...(September 16th, 2018)
• Sp3191 Kef Model Reference Series Speaker Type Excellent Condition (33.3% similar) Ships securely next day. Kef model 100 channel speaker in excellent working condition. Any questions about this item feel free to message me and I ll be happy answer you. This speaker has been tested and verified to work great with no problems. The physical condition of speaker is good with only ...(August 19th, 2018)
• Kef Sp4016ba Q250c Q Series 5-1 4 Inch Passive 2-way Center-channel Speaker With Grille (41.2% similar) Experience high-quality audio with the Kef Q250C - q series 5-1/4 passive 2-WAY center-channel speaker. The speaker is finished in a sleek black color and comes with grille for added protection. I have Kef Q150 in my other listings as well for a full theatre set. The Q250C model is designed for ...(August 1st, 2024)
• Kef Sp3958ba Q150 5.25 Inch 2-way Bookshelf Speaker Pair Satin Black Used 1397 (35.8% similar) Dimension: product height 11.9 inches width 7.1 depth 10.9 weight 12.4 pounds. Audio: speaker type bookshelf enclosure bass reflex RMS power 100 watts peak handling impedance 8 ohms minimum frequency response 51 hertz maximum 28 kilo hertz sensitivity 86 decibels high resolution audio yes ...(August 16th, 2024)
• Kef 637203215278 Kube 10b 10 Inch Powered Subwoofer Kube10b Used No Box 1407 (31.9% similar) Included: integrated amplifier yes remote control included no cable none. Very good overall, exhibits minor signs of wear, no dent, scratches. Tested and verified as fully functional. Connectivity: wireless multi-room audio no wi-fi built-in. Feature: indoor or outdoor use controls cut frequency, ...(August 18th, 2024)
• Kef Kube8b 8 Inch 300 Watt Powered Subwoofer Black (32.6% similar) 8 inch active sub woofer. Kef is quite possibly the only high-end manufacturer that designs, engineers and assembles driver, cabinet circuitry in-house. The result is a driver and amplifier that are perfectly in tune. Frequency response. Impassiveness. Rca phono sockets speaker level inputs. Powered...(August 20th, 2024)
• Kef Kube-2 Powered 10 Inch Subwoofer With In Radiator 200 Watt Works Great (31% similar) Kef KUBE-2 powered 10 inch sub woofer W/10 in radiator 200 watt works great. The right input has some plastic broken off on the outside. The only thing is the left and right speaker input. All buttons and knobs work. Still works to plug stuff in just doesn hold it as well should. There are no rips ...(September 6th, 2024)
• Kef 105.4 Reference Vintage Speakers British Audiophile (41.2% similar) All drivers are working perfectly and cabinets in excellent cosmetic condition with minor blemishes. They are perfect for your stereo or home theater system. These Kef speakers are solidly built and sound crisp, musical coherent with airy highs, intimate Midas excellent bass for the size. Up for ...(September 16th, 2024)