B&C 6PS44 6.5″ Professional Woofer LF Driver
The B&C 6PS44 is a professional 6.5-inch woofer LF driver engineered for compact loudspeaker systems requiring high power handling, reliable thermal performance, and strong low-frequency output from small enclosure designs. Built around a ferrite motor assembly and optimized moving system, the B&C 6PS44 delivers controlled low-frequency performance while maintaining the compact dimensions needed for modern portable and installed sound reinforcement systems.
Designed for compact two-way loudspeaker systems, stage monitors, portable PA cabinets, and professional installed audio systems, the B&C 6PS44 combines high power density with compact enclosure compatibility. Its balanced Thiele-Small parameters and waterproof cone treatment make it suitable for demanding applications where reliability and consistent performance are required.
Key Features
- 200 W nominal power handling
- 400 W continuous program power capacity
- 44 mm (1.7 inch) copper voice coil
- 93 dB sensitivity
- 70 Hz – 5000 Hz frequency response
- Ferrite motor assembly
- WP waterproof front cone treatment
- Roll surround geometry
- Compact enclosure optimization
- Vented motor design for improved thermal management
Ferrite Motor Structure and Magnetic Performance
The B&C 6PS44 utilizes a ferrite magnetic structure designed to provide stable magnetic performance and strong cone control while maintaining long-term reliability in professional applications. The motor system has been optimized for compact loudspeaker designs where enclosure volume is limited but strong output remains essential.
With a measured 1.25 T flux density, the motor structure provides controlled cone movement and stable acoustic performance throughout the operating range. Combined with an 11 Tm BL factor, the magnetic assembly maintains strong control over the moving assembly, helping preserve accuracy during higher output operation.
The ferrite motor structure also contributes to reliable long-term operation under demanding conditions, making the driver suitable for continuous-duty professional sound reinforcement applications.
Voice Coil Construction and Thermal Stability
At the center of the B&C 6PS44 is a 44 mm copper voice coil wound on a glass fibre former. This construction provides improved thermal stability while maintaining the mechanical strength required for professional applications. The larger voice coil diameter improves heat dissipation and allows stable operation during continuous high-output use.
The driver supports 200 W nominal power handling and 400 W continuous program power handling, providing strong output capability for compact professional loudspeaker systems. Its thermal architecture has been optimized to maintain performance consistency during prolonged operation.
The combination of optimized cooling and robust voice coil construction contributes to lower power compression and more stable long-term performance.
Cone Geometry and Suspension Design
The B&C 6PS44 utilizes a radial cone profile combined with a roll surround geometry, supporting controlled cone movement while maintaining the excursion capability required for compact low-frequency applications. This geometry has been optimized to balance efficiency with controlled low-frequency performance.
A single spider suspension system maintains mechanical stability and predictable movement characteristics while preserving efficiency across the driver’s intended operating range. The suspension system contributes to controlled transient response and improved reliability during sustained operation.
The cone assembly incorporates WP waterproof front-side treatment, improving durability and resistance against humidity and environmental exposure in portable and installed applications.
Compact Enclosure Integration
One of the major advantages of the B&C 6PS44 is its suitability for compact enclosure designs.
The manufacturer recommends a 9 dm³ enclosure volume with a 70 Hz tuning frequency, allowing system designers to achieve useful low-frequency extension while maintaining compact cabinet dimensions. These loading characteristics make the driver particularly suitable for smaller professional loudspeaker systems.
Typical applications include:
- Compact two-way loudspeaker systems
- Portable PA systems
- Stage monitors
- Compact bass reflex cabinets
- Installed sound reinforcement systems
- Professional low-frequency applications
Technical Specifications
Nominal Diameter: 170 mm (6.5 in)
Nominal Impedance: 8 Ω
Minimum Impedance: 6 Ω
Nominal Power Handling: 200 W
Continuous Program Power: 400 W
Sensitivity: 93 dB
Frequency Range: 70 Hz – 5000 Hz
Voice Coil Diameter: 44 mm (1.7 in)
Winding Material: Copper
Former Material: Glass Fibre
Winding Depth: 12 mm
Magnetic Gap Depth: 6 mm
Flux Density: 1.25 T
Magnet Material: Ferrite
Cone Shape: Radial
Surround Shape: Roll
Spider Design: Single
Pole Design: Straight Pole
Cone Treatment: WP Waterproof Front Side
Recommended Enclosure: 9 dm³
Recommended Tuning: 70 Hz
Thiele-Small Parameters
Fs: 71 Hz
Re: 5.3 Ω
Qes: 0.34
Qms: 12.5
Qts: 0.33
Vas: 7 dm³
Sd: 132 cm²
η₀: 0.7 %
Xmax: ±4.5 mm
Xvar: ±6 mm
Mms: 18 g
BL Factor: 11 Tm
Le: 0.7 mH
EBP: 209 Hz
Mounting Information
Overall Diameter: 187 mm
Bolt Circle Diameter: 172 mm
Baffle Cutout Diameter: 145 mm
Depth: 88 mm
Flange and Gasket Thickness: 13 mm
Air Volume Occupied by Driver: 0.9 dm³
Net Weight: 2.35 kg
Shipping Weight: 2.55 kg
Shipping Box: 210 × 210 × 125 mm
Recone Kit: RCK06PS448
Applications
The B&C 6PS44 is engineered for professional low-frequency applications where compact loading, strong power handling, and reliable long-term performance are priorities. Its ferrite motor structure, waterproof cone treatment, and compact enclosure compatibility make it particularly suitable for portable PA systems, stage monitoring applications, compact loudspeaker systems, and professional installed audio applications.
For system designers requiring a compact professional woofer optimized for smaller enclosure designs and dependable output performance, the B&C 6PS44 delivers an effective balance of power handling, efficiency, and installation flexibility.
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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.
