B&C 15CLX64 15 Inch Professional Coaxial Speaker
High-Performance 15 Inch Coaxial Speaker Designed for Powerful Full-Range Sound Reinforcement
The B&C 15CLX64 is a premium 15-inch professional coaxial speaker engineered to deliver outstanding full-range performance, exceptional efficiency, and remarkable value for professional loudspeaker manufacturers and system designers. Developed as part of B&C Speakers’ innovative CLX Series, the B&C 15CLX64 combines a powerful low-frequency transducer with a high-fidelity integrated compression driver to create a highly versatile coaxial solution suitable for a wide range of professional audio applications.
Built around a robust heavy-gauge steel basket and an optimized single neodymium magnet motor structure, the B&C 15CLX64 achieves an impressive balance between performance, durability, weight reduction, and cost efficiency. The design philosophy behind the CLX Series focuses on delivering premium coaxial performance while maintaining an attractive cost-to-performance ratio, making it ideal for compact, lightweight, and high-output loudspeaker systems.
The integrated coaxial architecture places both low-frequency and high-frequency acoustic sources on the same axis, creating true point-source sound reproduction. This results in improved phase coherence, superior imaging, enhanced vocal intelligibility, and more consistent coverage throughout the listening area. Whether deployed in stage monitors, portable PA systems, fixed installation loudspeakers, houses of worship, theatres, or corporate AV environments, the B&C 15CLX64 delivers the sonic precision and reliability required by professional audio engineers.
Featuring 500 Watts continuous low-frequency power handling, 140 Watts continuous high-frequency power handling, a wide frequency response extending from 40 Hz to 17 kHz, and lightweight neodymium motor technology, the B&C 15CLX64 provides a compelling solution for designers seeking high output, excellent clarity, and reduced system weight without compromising performance.
Key Features of the B&C 15CLX64
- Premium 15-inch professional coaxial speaker
- 250 W nominal low-frequency power handling
- 500 W continuous low-frequency power handling
- 70 W nominal high-frequency power handling
- 140 W continuous high-frequency power handling
- 64 mm (2.5 inch) copper low-frequency voice coil
- 51 mm (2 inch) aluminium high-frequency voice coil
- High-fidelity HT Polymer compression driver diaphragm
- Single neodymium ring magnet motor structure
- Wide frequency response from 40 Hz to 17 kHz
- Controlled 80° dispersion pattern
- Heavy-gauge steel basket construction
- WP waterproof cone treatment
- Lightweight design for easier system integration
- Excellent phase coherence and point-source performance
- Designed for professional touring and installation applications
- Outstanding cost-to-performance ratio
True Coaxial Technology for Accurate Sound Reproduction
The defining characteristic of the B&C 15CLX64 is its advanced coaxial design, which provides significant acoustic advantages compared to traditional multi-driver loudspeaker configurations.
In conventional two-way loudspeakers, the low-frequency and high-frequency drivers are physically separated within the enclosure. This separation can introduce phase irregularities, time alignment challenges, and inconsistent coverage patterns. By contrast, the B&C 15CLX64 integrates both transducers into a single acoustic centre, allowing the system to behave as a true point-source loudspeaker.
This design produces exceptionally coherent sound reproduction across the entire frequency spectrum. Vocals remain focused and intelligible, instruments are reproduced with greater accuracy, and listeners experience improved tonal consistency regardless of their position within the coverage area.
The controlled 80-degree dispersion pattern further enhances system performance by directing energy where it is needed while minimizing unwanted reflections. This contributes to improved speech intelligibility, enhanced musical clarity, and more predictable system behaviour in acoustically challenging environments.
For professional sound reinforcement systems where consistency and accuracy are essential, the B&C 15CLX64 provides an excellent foundation for premium loudspeaker designs.
Powerful Low-Frequency Performance
At the core of the B&C 15CLX64 is a highly efficient 15-inch low-frequency transducer engineered to deliver impressive output, excellent low-frequency extension, and reliable long-term operation.
The LF section features a substantial 64 mm copper voice coil wound on a durable glass fibre former. This construction allows the driver to handle significant power while maintaining thermal stability during extended operation.
Rated at 250 Watts nominal power handling and 500 Watts continuous power handling, the B&C 15CLX64 delivers the output capability required for demanding professional applications. Its frequency response extends down to 40 Hz, allowing the driver to reproduce deep bass frequencies with authority while maintaining excellent control throughout the midrange region.
A sensitivity rating of 95.2 dB ensures efficient conversion of amplifier power into acoustic output, enabling loudspeaker designers to achieve substantial SPL levels without requiring excessive amplifier resources.
The driver’s moving mass of 82 grams has been carefully optimized to provide an ideal balance between low-frequency extension, transient response, and overall efficiency. Combined with a BL factor of 11.5 Tm, the result is articulate bass reproduction with excellent musicality and control.
Whether reproducing live music, speech reinforcement, or playback applications, the low-frequency section of the B&C 15CLX64 delivers the performance expected from a premium professional transducer.
Integrated High-Frequency Compression Driver
The high-frequency section of the B&C 15CLX64 has been specifically engineered to complement the low-frequency driver while delivering smooth, natural, and highly intelligible high-frequency reproduction.
The integrated compression driver utilizes a 51 mm aluminium voice coil coupled to an HT Polymer diaphragm. This combination provides excellent transient response, high reliability, and smooth frequency response characteristics that contribute to fatigue-free listening.
With 70 Watts nominal power handling and 140 Watts continuous power handling, the compression driver is capable of maintaining consistent performance even under demanding operating conditions.
Operating from 1 kHz to 17 kHz, the HF section reproduces critical vocal information, instrument detail, and high-frequency content with impressive clarity. The recommended crossover frequency of 1.2 kHz ensures seamless integration between the LF and HF sections, creating a smooth and natural overall response.
A high sensitivity rating of 106 dB allows the HF driver to produce exceptional output while maintaining low distortion levels. This contributes significantly to the overall dynamic capability of the B&C 15CLX64 and ensures that high-frequency detail remains clear even at elevated sound pressure levels.
Lightweight Neodymium Motor Technology
One of the most important design advantages of the B&C 15CLX64 is its use of advanced neodymium motor technology.
The neodymium ring magnet structure provides exceptional magnetic strength while significantly reducing overall weight compared to traditional ferrite-based designs. This allows loudspeaker manufacturers to create lighter systems without sacrificing performance.
The low-frequency motor generates a flux density of 0.9 Tesla, while the high-frequency compression driver operates with an impressive 1.6 Tesla magnetic field. These powerful magnetic circuits contribute to improved efficiency, greater cone control, and enhanced transient response.
The reduction in overall driver weight is particularly beneficial for portable sound reinforcement systems, stage monitors, and touring applications where transport efficiency and ease of handling are important considerations.
At just 3.8 kg net weight, the B&C 15CLX64 offers exceptional performance while helping designers achieve significant weight savings at the system level.
Engineered for Reliability and Long-Term Performance
Professional loudspeaker components must perform consistently under demanding conditions, and the B&C 15CLX64 has been engineered with durability as a primary objective.
The heavy-gauge steel basket provides excellent structural rigidity, ensuring stable operation even at high output levels. This robust frame minimizes unwanted resonances and helps maintain accurate alignment of the moving assembly.
The triple-roll surround supports the driver’s excursion capabilities while maintaining precise cone control throughout its operating range. With an Xmax of 5.3 mm and an impressive Xvar of 8 mm, the driver can handle demanding programme material while maintaining low distortion.
The woofer cone incorporates B&C’s WP waterproof front-side treatment, providing enhanced protection against moisture and environmental exposure. This makes the driver suitable for portable PA systems, outdoor events, and installations where environmental durability is important.
Combined with B&C’s renowned manufacturing standards and quality control procedures, these design features ensure dependable long-term performance in professional applications.
Applications for the B&C 15CLX64
Professional Stage Monitors
The point-source behaviour of the coaxial design delivers excellent clarity, consistent coverage, and superior vocal intelligibility, making the B&C 15CLX64 ideal for premium monitor systems.
Portable PA Systems
Its combination of high output, lightweight construction, and full-range performance makes it exceptionally well suited for portable sound reinforcement systems.
Houses of Worship
The driver provides excellent speech reproduction and musical accuracy, helping deliver clear and intelligible sound throughout worship spaces.
Theatre and Performing Arts Venues
The coherent acoustic behaviour of the coaxial design contributes to natural sound reproduction and improved audience coverage.
Corporate AV Systems
Consistent frequency response and controlled dispersion make the B&C 15CLX64 a strong choice for presentation and conferencing environments.
Fixed Installation Loudspeakers
Its robust construction and lightweight design allow integration into a wide variety of installed sound applications.
Multi-Purpose Full-Range Systems
The broad frequency response and substantial power handling enable designers to create versatile loudspeaker systems capable of handling diverse programme material.
Technical Specifications
| Specification | B&C 15CLX64 |
|---|---|
| Nominal Diameter | 380 mm (15 in) |
| Nominal Impedance | 8 Ω |
| Frequency Range | 40 Hz – 17 kHz |
| Dispersion Angle | 80° |
| LF Power Handling | 250 W |
| LF Continuous Power Handling | 500 W |
| LF Sensitivity | 95.2 dB |
| LF Voice Coil Diameter | 64 mm (2.5 in) |
| LF Winding Material | Copper |
| LF Former Material | Glass Fibre |
| HF Power Handling | 70 W |
| HF Continuous Power Handling | 140 W |
| HF Sensitivity | 106 dB |
| HF Frequency Range | 1 kHz – 17 kHz |
| Recommended Crossover | 1.2 kHz |
| HF Voice Coil Diameter | 51 mm (2 in) |
| HF Diaphragm Material | HT Polymer |
| Magnet Material | Neodymium Ring |
| Surround Shape | Triple Roll |
| Cone Treatment | WP Waterproof Front Side |
| Fs | 37 Hz |
| Qts | 0.75 |
| Vas | 227 dm³ |
| Xmax | 5.3 mm |
| Xvar | 8 mm |
| BL | 11.5 Tm |
| Le | 1.05 mH |
| Overall Diameter | 388 mm |
| Baffle Cutout Diameter | 353 mm |
| Mounting Depth | 192 mm |
| Net Weight | 3.8 kg |
| HF Replacement Diaphragm | MMD5508 |
Why Choose the B&C 15CLX64?
The B&C 15CLX64 delivers a unique combination of high-output performance, lightweight construction, and exceptional value within a professional coaxial loudspeaker platform. Designed for manufacturers and system designers seeking premium sound quality without excessive system weight or cost, it provides an outstanding balance of efficiency, reliability, and acoustic performance.
Its powerful 15-inch low-frequency transducer delivers impressive bass extension and dynamic capability, while the integrated HT Polymer compression driver ensures smooth and detailed high-frequency reproduction. Together, they create a highly coherent point-source solution capable of delivering consistent coverage and excellent intelligibility across a wide range of applications.
The advanced neodymium motor structure reduces weight while maintaining strong magnetic performance, making the driver particularly attractive for portable systems and modern loudspeaker designs where every kilogram matters. Combined with the rugged steel basket, waterproof cone treatment, and professional-grade construction, the B&C 15CLX64 is engineered to provide dependable long-term performance in demanding environments.
Whether used in stage monitors, portable PA systems, houses of worship, theatres, corporate installations, or custom loudspeaker projects, the B&C 15CLX64 offers the performance, flexibility, and reliability expected from a premium B&C Speakers product. For professionals seeking a powerful 15-inch coaxial speaker that combines exceptional value with proven performance, the B&C 15CLX64 stands as one of the most compelling solutions in its class.
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About B&C Speakers S.r.L.
B&C Speakers products are built in Bagno a Ripoli (Florence), Italy., ensuring high quality products to suite your speaker building requirements. Their 10,500 square meter facility incorporates highly sophisticated automation and quality control. Over the years they become one of the world leaders in the Professional Audio market, a brand recognized everywhere as a premium product that offers excellent value to the consumer.
