B&C DE1085TN – Flagship 2-Inch Titanium Compression Driver for Extreme Output and Professional Sound Reinforcement
The B&C DE1085TN represents the pinnacle of high-frequency compression driver engineering, combining exceptional power handling, extraordinary efficiency, and extended frequency response in a premium large-format design. Developed for the most demanding professional audio applications, the B&C DE1085TN delivers the performance required for world-class touring systems, stadium sound reinforcement, large-scale installations, concert venues, and flagship loudspeaker designs where uncompromising output and sonic accuracy are essential.
At the heart of the B&C DE1085TN is an enormous 100 mm (4-inch) aluminium voice coil, one of the largest available in a professional compression driver. This substantial motor assembly enables the driver to achieve an impressive 140 W AES power handling rating and 280 W continuous programme power capacity, making it capable of delivering exceptional output levels while maintaining thermal stability and long-term reliability.
The B&C DE1085TN has been designed to provide remarkable bandwidth, covering frequencies from 500 Hz to 20 kHz. This exceptionally wide operating range allows the driver to reproduce a significant portion of the critical vocal spectrum while extending effortlessly into the highest audible frequencies. The result is outstanding clarity, exceptional speech intelligibility, and precise musical reproduction across virtually every professional audio application.
A powerful 1.95 Tesla neodymium magnetic structure provides the efficiency and control necessary to maintain low distortion even at extreme output levels. Combined with a precision-engineered titanium diaphragm, the DE1085TN delivers fast transient response, remarkable detail, and the dynamic capability required for modern high-performance sound reinforcement systems.
One of the most significant advantages of the B&C DE1085TN is its exceptionally low recommended crossover frequency of 800 Hz. This capability allows loudspeaker designers to create highly coherent systems with improved directivity control and smoother integration between low-frequency and high-frequency sections. For large-format point-source systems, horn-loaded loudspeakers, stadium installations, and touring systems, this flexibility can dramatically improve overall system performance.
Whether deployed in large-scale live sound systems, premium installation projects, theatres, houses of worship, or high-end professional loudspeaker designs, the B&C DE1085TN provides the power, bandwidth, and reliability expected from a flagship B&C compression driver.
Designed for Elite Professional Audio Systems
Modern professional sound reinforcement systems place enormous demands on compression drivers.
Today’s loudspeaker designers require components capable of delivering:
- Extremely high output levels
- Low distortion performance
- Extended frequency response
- Wide dynamic range
- Exceptional reliability
- Low crossover operation
- Consistent performance under heavy use
The B&C DE1085TN has been engineered specifically to meet these challenges.
Its advanced motor design, large-format voice coil, and premium titanium diaphragm allow it to perform confidently in applications where lesser compression drivers would struggle to maintain clarity and consistency.
The DE1085TN is particularly well suited to large-format systems where maximum acoustic performance is required without compromise.
Massive 100 mm Voice Coil for Exceptional Power Handling
One of the defining features of the B&C DE1085TN is its impressive 100 mm (4-inch) aluminium voice coil.
The voice coil is a critical component that directly influences:
- Power handling capability
- Thermal management
- Dynamic performance
- Reliability
- Long-term consistency
The large voice coil architecture provides several significant benefits.
Superior Heat Dissipation
The increased surface area allows heat generated during operation to dissipate more effectively.
Higher Continuous Output
The driver can sustain demanding programme material without performance degradation.
Reduced Thermal Compression
Output remains consistent during prolonged high-level operation.
Greater Reliability
Lower operating temperatures improve long-term durability.
Increased Dynamic Capability
Large musical peaks can be reproduced accurately and effortlessly.
These design advantages contribute directly to the driver’s impressive ratings of:
- 140 W nominal power handling
- 280 W continuous programme power handling
Such specifications position the DE1085TN among the most capable compression drivers available for professional sound reinforcement.
High-Energy Neodymium Motor Technology
The B&C DE1085TN incorporates an advanced neodymium motor assembly generating an impressive 1.95 Tesla flux density.
This powerful magnetic structure provides exceptional control over diaphragm movement and delivers numerous performance benefits.
Outstanding Efficiency
The driver converts amplifier power into acoustic output with remarkable effectiveness.
Improved Diaphragm Control
Greater magnetic force helps maintain accurate diaphragm motion.
Enhanced Transient Response
The driver reacts rapidly to dynamic programme material.
Lower Distortion
Improved motor control reduces unwanted artefacts.
Increased Headroom
The driver remains composed during demanding programme peaks.
The high-energy motor structure plays a major role in the DE1085TN’s ability to deliver exceptional output while maintaining clarity and accuracy.
Precision Titanium Diaphragm Performance
The B&C DE1085TN features a high-performance titanium diaphragm specifically engineered for professional sound reinforcement applications.
Titanium continues to be one of the most respected diaphragm materials in professional audio because it offers an excellent balance of:
- Strength
- Rigidity
- Durability
- Low mass
- Fatigue resistance
- Acoustic accuracy
These characteristics allow the diaphragm to reproduce complex programme material with exceptional precision.
Benefits include:
- Clear vocal reproduction
- Outstanding musical detail
- Accurate transient response
- Excellent high-frequency extension
- Consistent performance at elevated SPL levels
For demanding applications where reliability and sonic performance are equally important, titanium remains one of the most effective diaphragm materials available.
Wide Frequency Response from 500 Hz to 20 kHz
The B&C DE1085TN provides one of the broadest operating bandwidths in its class.
The driver covers frequencies from:
500 Hz – 20 kHz
This extensive frequency range offers significant advantages for system designers.
Improved Vocal Coverage
The driver reproduces a larger portion of the vocal spectrum.
Better System Integration
Lower crossover points allow smoother transitions between drivers.
Enhanced Musical Accuracy
Critical frequencies are reproduced with greater consistency.
Greater Design Flexibility
Loudspeaker designers have more options when developing crossover networks.
Extended High-Frequency Performance
The driver maintains detail and clarity throughout the audible spectrum.
The result is a more coherent and natural listening experience.
Extremely Low Recommended Crossover Frequency
One of the most impressive specifications of the B&C DE1085TN is its recommended crossover frequency of:
800 Hz
This capability provides substantial benefits in professional loudspeaker design.
Improved Directivity Control
Coverage transitions become smoother and more predictable.
Enhanced Vocal Coherence
The driver handles more of the vocal spectrum directly.
Better Phase Integration
System alignment becomes easier to achieve.
Reduced Midrange Complexity
Fewer crossover interactions occur in critical frequency regions.
Greater Design Freedom
Engineers can optimise system performance more effectively.
The ability to cross as low as 800 Hz is particularly valuable in large-format horn-loaded systems and premium point-source loudspeakers.
Exceptional Sensitivity and Efficiency
The B&C DE1085TN achieves an impressive sensitivity rating of:
109 dB
High sensitivity is essential for professional compression drivers because it directly affects system output capability.
Benefits include:
Higher Maximum SPL
More output is achieved with available amplifier power.
Improved Dynamic Headroom
Additional reserve output remains available during demanding programme peaks.
Lower Amplifier Requirements
Less power is needed to achieve target sound pressure levels.
Better Overall System Efficiency
The loudspeaker system operates more effectively.
Reduced Thermal Stress
The driver can achieve high output levels with lower power input.
This efficiency makes the DE1085TN ideal for large-scale professional sound reinforcement systems.
Low Inductance for Accurate High-Frequency Reproduction
The B&C DE1085TN features a low inductance value of:
0.18 mH
Low inductance contributes to:
- Faster transient response
- Improved phase behaviour
- Better high-frequency extension
- Cleaner crossover integration
- Greater sonic detail
These characteristics help preserve accuracy and musical realism throughout the driver’s operating range.
The result is exceptionally clean and detailed high-frequency reproduction.
Built for Touring, Stadium and Installation Applications
The B&C DE1085TN is designed for use in demanding professional environments including:
- Touring sound systems
- Stadium PA systems
- Arena sound reinforcement
- Festival production systems
- Theatre installations
- Houses of worship
- Performing arts centres
- Premium point-source loudspeakers
- High-output horn-loaded systems
- Professional line arrays
- Corporate AV installations
- Large-scale fixed installations
Its combination of power handling, efficiency, and bandwidth makes it one of the most versatile flagship compression drivers in the B&C product range.
Rugged Professional Construction
The B&C DE1085TN has been engineered to withstand years of demanding professional use.
Installation features include:
- Four M6 mounting holes
- 102 mm bolt circle
- Industry-standard mounting compatibility
- Robust mechanical construction
- Precision manufacturing tolerances
Physical dimensions include:
- Overall diameter: 154 mm
- Depth: 86 mm
- Net weight: 3.7 kg
The driver’s substantial construction reflects its role as a premium large-format professional compression driver.
Technical Specifications
B&C DE1085TN Technical Specifications
Throat Diameter: 50 mm (2 in)
Nominal Impedance: 8 Ω
Minimum Impedance: 8 Ω
Nominal Power Handling: 140 W
Continuous Power Handling: 280 W
Sensitivity: 109 dB
Frequency Range: 500 Hz – 20 kHz
Recommended Crossover Frequency: 800 Hz
Voice Coil Diameter: 100 mm (4 in)
Winding Material: Aluminium
Inductance: 0.18 mH
Flux Density: 1.95 T
Diaphragm Material: Titanium
Mounting Information
B&C DE1085TN Dimensions and Installation Data
Mounting Pattern: Four M6 holes positioned 90° apart on a 102 mm (4 in) bolt circle
Overall Diameter: 154 mm (6.1 in)
Depth: 86 mm (3.39 in)
Net Weight: 3.7 kg (8.16 lb)
Shipping Weight: 4 kg (8.82 lb)
Shipping Box Dimensions: 190 x 190 x 120 mm (7.48 x 7.48 x 4.72 in)
Why Choose the B&C DE1085TN?
The B&C DE1085TN is a flagship 2-inch titanium compression driver engineered for professional applications where output capability, bandwidth, and reliability cannot be compromised. Featuring a massive 100 mm aluminium voice coil, powerful 1.95 Tesla neodymium motor, and precision titanium diaphragm, it delivers exceptional performance across the entire high-frequency spectrum.
With 140 W AES power handling, 280 W programme power capacity, 109 dB sensitivity, and an exceptionally wide 500 Hz to 20 kHz frequency response, the B&C DE1085TN provides the flexibility and performance required for today’s most demanding loudspeaker systems.
Its ability to operate with an 800 Hz crossover frequency further enhances system integration and acoustic coherence, making it an outstanding choice for touring systems, stadium installations, theatres, houses of worship, and premium professional loudspeakers.
For manufacturers, system designers, rental companies, and audio professionals seeking a world-class 2-inch compression driver, the B&C DE1085TN delivers the performance, reliability, and engineering excellence that have made B&C Speakers a global leader in professional audio transducer technology.
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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.
