B&C ME146 Waveguide
The B&C ME146 is a professional line array optimized waveguide engineered to provide exceptional coverage control, consistent directivity, and seamless integration with high-performance compression drivers. Designed specifically for modern professional audio systems, the B&C ME146 combines a wide 120° horizontal dispersion pattern with a low 500 Hz cutoff frequency, making it an outstanding solution for line array systems, large-scale sound reinforcement, fixed installations, touring applications, and OEM loudspeaker development.
In professional loudspeaker design, the waveguide plays a critical role in determining how sound is distributed throughout a venue. Even the most advanced compression driver can only perform to its full potential when paired with a properly engineered horn or waveguide. The B&C ME146 has been developed to maximize driver performance while maintaining predictable coverage, excellent pattern control, and superior acoustic consistency across the listening area.
Unlike conventional horns designed for standalone loudspeaker systems, the B&C ME146 has been specifically optimized for line array applications where multiple loudspeakers operate together as a single acoustic source. This specialized design helps maintain consistent coverage, minimizes destructive interference between adjacent cabinets, and improves overall system coherence.
Featuring a standard 1.4-inch throat diameter, durable polycarbonate construction, lightweight design, and advanced waveguide geometry, the B&C ME146 provides system designers with a versatile and highly capable solution for a wide range of professional audio applications.
Whether used in concert venues, stadiums, theaters, houses of worship, performing arts centers, convention facilities, or large-scale installed sound systems, the B&C ME146 delivers the directivity control and acoustic performance required by today’s most demanding audio professionals.
Purpose-Built for Line Array Systems
The B&C ME146 is not simply a conventional horn adapted for line array use. It has been engineered from the ground up as a dedicated line array optimized waveguide.
Modern line arrays require precise acoustic coupling between adjacent loudspeaker elements. When coverage patterns are inconsistent or wavefronts do not integrate properly, system performance can suffer through uneven coverage, frequency response anomalies, and reduced intelligibility.
The B&C ME146 addresses these challenges through carefully designed waveguide geometry that promotes smooth interaction between neighboring array elements. This allows multiple cabinets to function together more effectively, producing a more coherent acoustic field across the listening area.
For system designers and manufacturers developing modern line array products, the B&C ME146 provides an excellent foundation for achieving predictable and repeatable performance.
Wide 120° Horizontal Coverage
One of the defining characteristics of the B&C ME146 is its exceptionally wide 120-degree horizontal coverage pattern.
Wide horizontal dispersion enables audio systems to cover large audience areas with fewer loudspeaker elements. This improves system efficiency while helping maintain consistent sound quality throughout the venue.
The 120° pattern is particularly valuable in venues where audience seating extends significantly beyond the center listening axis. Rather than concentrating energy into a narrow listening zone, the B&C ME146 distributes sound evenly across a broad coverage area.
Listeners positioned at the far edges of the audience area can experience tonal balance and clarity similar to those located directly in front of the system.
This wide coverage characteristic makes the B&C ME146 particularly suitable for:
- Large auditoriums
- Houses of worship
- Sports venues
- Performing arts centers
- Conference facilities
- Concert halls
- Theaters
- Public address systems
- Touring sound reinforcement systems
The ability to maintain wide and consistent horizontal coverage contributes directly to improved audience experience and overall system performance.
Low 500 Hz Cutoff Frequency
The B&C ME146 features an impressively low cutoff frequency of 500 Hz, allowing compression drivers to operate effectively at lower crossover points than many conventional waveguides.
Lower crossover frequencies provide several significant benefits in loudspeaker system design.
First, they improve integration between low-frequency and high-frequency transducers by reducing the gap between operating ranges. This creates smoother transitions across crossover regions and improves overall tonal consistency.
Second, lower crossover points help maintain directivity control through critical vocal frequencies. This enhances speech intelligibility and ensures more consistent coverage across the audience area.
Third, lower crossover capability enables the use of advanced wide-bandwidth compression drivers that are capable of reproducing frequencies far below traditional high-frequency operating ranges.
The result is a more coherent and natural sounding loudspeaker system capable of delivering exceptional clarity across a broad frequency spectrum.
Optimized for Modern Compression Drivers
The B&C ME146 utilizes a 36 mm (1.4-inch) throat diameter, making it compatible with many of today’s most advanced professional compression drivers.
The 1.4-inch format has become a preferred choice for professional sound reinforcement due to its ability to combine high output capability with extended bandwidth and excellent efficiency.
When paired with premium compression drivers, the B&C ME146 is capable of producing impressive sound pressure levels while maintaining low distortion and excellent tonal accuracy.
The waveguide’s geometry helps maximize acoustic loading, improving driver efficiency and enabling superior performance across the operating range.
This compatibility gives loudspeaker designers substantial flexibility when developing custom systems or OEM products.
Consistent Directivity Across the Listening Area
Directivity control is one of the most important factors influencing professional audio system performance.
The B&C ME146 has been engineered to maintain predictable coverage characteristics throughout its operating range. By directing sound energy precisely where it is needed, the waveguide helps maximize efficiency while reducing unwanted reflections and acoustic spill.
Controlled directivity contributes to:
- Improved intelligibility
- Better tonal consistency
- Reduced room interaction
- Increased system efficiency
- Enhanced audience coverage
These benefits become increasingly important in large venues where uncontrolled sound energy can significantly degrade overall system performance.
The B&C ME146 provides the pattern control required for demanding professional applications while maintaining excellent sonic characteristics.
Enhanced Array Coupling Performance
A key challenge in line array design is ensuring that adjacent loudspeaker elements couple together effectively.
Poor coupling can create coverage irregularities, comb filtering, and inconsistent frequency response throughout the audience area.
The B&C ME146 has been designed to support smooth acoustic interaction between neighboring cabinets, helping maintain a consistent wavefront throughout the array.
Improved coupling contributes to:
- More uniform coverage
- Better frequency response consistency
- Reduced interference
- Improved long-distance projection
- Greater overall system coherence
These characteristics make the B&C ME146 particularly valuable for large-scale sound reinforcement applications.
Polycarbonate Construction for Lightweight Durability
The B&C ME146 is manufactured from high-quality polycarbonate material.
Polycarbonate offers an excellent balance between durability, dimensional stability, and weight reduction. Unlike heavier cast metal alternatives, polycarbonate helps minimize overall system weight without compromising structural integrity.
This lightweight construction is especially beneficial in flown array systems where weight limitations are often a major design consideration.
Additional advantages include:
- High impact resistance
- Long-term durability
- Corrosion resistance
- Consistent acoustic performance
- Reduced installation weight
These characteristics make the B&C ME146 well suited to both touring and permanent installation environments.
Improved Speech Intelligibility
Speech intelligibility remains a critical requirement in many professional audio applications.
Whether used in houses of worship, educational facilities, transportation hubs, conference venues, or public address systems, the ability to reproduce spoken content clearly is essential.
The B&C ME146 contributes to improved intelligibility through its controlled dispersion characteristics and low-frequency loading capabilities.
By maintaining directivity through important vocal frequencies, the waveguide helps ensure that speech remains clear and understandable throughout the audience area.
Reduced reflections and improved pattern control further enhance vocal clarity by minimizing unwanted acoustic interference.
Excellent Musical Reproduction
While speech clarity is important, the B&C ME146 also excels in demanding music reinforcement applications.
Its wide coverage pattern and consistent directivity allow musical content to be reproduced with exceptional accuracy and balance.
Vocals, instruments, and complex program material benefit from improved phase coherence and smoother crossover integration.
The result is a listening experience characterized by:
- Enhanced detail
- Improved clarity
- Consistent tonal balance
- Accurate imaging
- High output capability
These qualities make the B&C ME146 suitable for everything from live concerts and theatrical productions to large-scale installed sound systems.
Reduced Acoustic Interference
Acoustic interference is a common challenge in large sound reinforcement systems.
When sound energy overlaps unpredictably, frequency response irregularities and coverage inconsistencies can occur.
The carefully engineered geometry of the B&C ME146 helps minimize these effects by maintaining controlled dispersion characteristics throughout its operating range.
This reduction in unwanted acoustic interaction contributes to cleaner sound reproduction and improved system predictability.
For engineers responsible for designing and tuning complex audio systems, these benefits can significantly simplify optimization and improve final results.
Ideal for Fixed Installation Projects
The B&C ME146 is exceptionally well suited to fixed installation applications.
Its lightweight construction, durable materials, and controlled coverage characteristics make it a practical choice for long-term deployments in demanding environments.
Common installation applications include:
- Stadiums
- Arenas
- Houses of worship
- Convention centers
- Auditoriums
- Lecture halls
- Transportation facilities
- Entertainment venues
- Theme parks
- Corporate facilities
The waveguide’s ability to deliver predictable performance over extended periods makes it a reliable solution for professional installers and consultants.
Excellent Choice for Touring Systems
Touring sound reinforcement systems demand components capable of delivering consistent performance under challenging conditions.
The B&C ME146’s lightweight polycarbonate construction reduces transportation weight while maintaining durability suitable for repeated deployment.
Its wide coverage pattern and optimized line array performance help engineers achieve predictable results from venue to venue.
For touring professionals, this consistency translates into faster setup times, easier system optimization, and greater confidence during live events.
OEM Loudspeaker Development Benefits
For loudspeaker manufacturers, the B&C ME146 provides an attractive platform for developing high-performance professional audio products.
Its optimized geometry, wide coverage characteristics, and compatibility with advanced compression drivers allow manufacturers to create systems capable of meeting demanding performance requirements.
The waveguide’s proven design helps reduce development complexity while delivering professional-grade results.
Whether used in touring products, installation systems, or specialized loudspeaker designs, the B&C ME146 offers exceptional versatility.
Technical Specifications
General Specifications
- Product Model: B&C ME146
- Throat Diameter: 36 mm (1.4 in)
- Nominal Coverage Horizontal: 120°
- Cutoff Frequency: 0.5 kHz
- Material: Polycarbonate
- Design: Line Array Optimized Waveguide
Dimensions
- Dimensions: 180 x 80 x 176 mm (7.1 x 3.15 x 6.9 in)
Mounting Information
- Net Weight: 0.64 kg (1.65 lb)
Conclusion
The B&C ME146 is a high-performance line array optimized waveguide designed to provide exceptional coverage consistency, precise directivity control, and seamless integration with professional compression drivers. Featuring a wide 120° horizontal dispersion pattern, low 500 Hz cutoff frequency, lightweight polycarbonate construction, and advanced waveguide geometry, the B&C ME146 delivers outstanding performance for modern sound reinforcement systems. Whether deployed in touring arrays, fixed installations, large venues, or OEM loudspeaker designs, the B&C ME146 provides the coverage, efficiency, clarity, and reliability demanded by professional audio engineers worldwide.
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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.
