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NEW Beyma 10NMFS NMF Series 10" Carbon Fiber Cone Woofer 8 Ohm

Beyma
Part #253-087

NEW Beyma 10NMFS NMF Series 10" Carbon Fiber Cone Woofer 8 Ohm

Beyma
Part #253-087  
Model: 10NMFW

The Beyma 10NMFS is a 10" subwoofer engineered for professional audio applications requiring high power handling and low distortion. Its advanced design, efficient Maltcross cooling, and robust construction make it suitable for compact, high-performance subwoofer systems.

Key Features
  • 2.5" QUATTRO in/out aluminum voice coil enhances thermal performance​
  • Exclusive Maltcross cooling system reduces power compression​
  • FEA-optimized ceramic magnetic circuit with triple aluminum and copper demodulating rings improves performance​
  • Double BIMAX spider and NBR surround enhance mechanical stability​
  • Extended controlled displacement with ±14.5 mm Xmax allows for accurate low-frequency response​
  • 50 mm peak-to-peak excursion before damage ensures mechanical reliability​
  • Ultra-low air noise design minimizes distortion​
NEW $411.75
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MSRP: $549.00
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Overview

Beyma 10NMFS NMF Series 10" Carbon Fiber Cone Woofer 8 Ohm

The NMF Series by Beyma

Live Sound at Home

Beyma's relentless pursuit of audio excellence has culminated in the development of a new family of exceptional drivers. Utilizing world-class simulation tools and a meticulous material selection process, our R&D department has crafted an unparalleled set of electro-dynamic transducers.

This series offers remarkable linearity and minimal distortion, excelling in near and mid-field listening environments where precision is crucial. The NMF series sets a new standard for pristine, uncolored sound, surpassing many competitors.

Over two years, our top engineers engaged in extensive multi-physics simulations, advanced prototyping, and precise measurements to achieve these harmonious devices. Combining decades of experience with cutting-edge technologies, we've created a new generation of drivers designed for outstanding performance in studio monitors and high-end loudspeaker enclosures.

Top Quality Parts

Superior sound quality is achieved through premium materials: rigid carbon fiber cones for pistonic motion, Beyma’s exclusive QUATTRO voice coil for strong motor control, cast aluminum frames, and electro-coated metal parts for resistance to humidity and aging. Bimax spiders and durable NBR surrounds ensure linear, stable operation. Together, these components deliver consistent, reliable performance under demanding conditions and extended use.

Transparency

Advanced simulation software has been used to achieve highly linear performance during long excursions by optimizing the woofer’s motor structure. The magnetic circuit works with Beyma’s exclusive QUATTRO voice coil to maintain controlled movement within the linear range, effectively increasing dynamic range. The suspension system is also meticulously engineered, with customized geometry and materials for high damping and controlled excursion, reducing typical non-linearities and unwanted resonances found in similar soft suspension designs.

Controlled Directivity

Precise geometric design of the membrane, dust cap, and material density has been engineered to achieve optimal damping and a highly linear response. Special attention was given to off-axis behavior to maintain controlled acoustic dispersion through the crossover range.

Unmatched Performance

Maltcross is Beyma’s patented in-house technology at the heart of its top professional low frequency drivers. This advanced feature acts as a demodulating ring, balancing inductance across the excursion range while enabling an exceptional cooling system that directs turbulent airflow through the airgap to the voice coil. The result is lower operating temperatures and effective demodulation, leading to reduced power compression, increased SPL, and lower distortion in low frequency reproduction.

Straightforward Implementation

These combined design features enable engineers to develop cabinets capable of operating from deep low frequencies up to the crossover point with the high frequency device, all while maintaining an exceptional linear response. They also support controlled excursion, suppression of unwanted resonances, and an extended, smooth breakup profile—making crossover design more manageable and predictable.

LEX Frames

Exclusive die-cast aluminum LEX design frames, developed using advanced Finite Element Method software, provide a distinctive visual identity while enhancing mechanical strength. These frames also improve heat dissipation efficiency through a specially engineered airflow system that exchanges air between the air gap and the external environment.

10NMFS NMF Series 10" Carbon Fiber Cone Woofer 8 Ohm

The 10NMFS's 350 W AES power handling and 90 dB sensitivity enable it to deliver clear and dynamic sound output, making it suitable for demanding audio applications. Its 2.5" QUATTRO in/out aluminum voice coil enhances thermal stability, contributing to consistent performance over time. The exclusive Maltcross cooling system effectively dissipates heat, reducing power compression and maintaining consistent output during prolonged use. The driver features an Xmax of ±14.5 mm, allowing for extended linear cone movement and deeper bass response without distortion. With a peak-to-peak excursion before damage of 50 mm, the 10NMFS can withstand significant mechanical stress, ensuring longevity even under high-demand conditions. The carbon fiber cone and dustcap enhance durability and resistance to environmental factors, making it suitable for both indoor and outdoor applications. The FEA-optimized ceramic magnetic circuit, combined with triple aluminum and copper demodulating rings, improves overall efficiency and sound quality, while the ultra-low air noise design minimizes distortion. The double BIMAX spider and NBR surround further enhance mechanical stability, maintaining consistent performance. Optimized for compact, high-performance subwoofer systems, this transducer offers versatility and high performance for professional audio systems.​

Solid Line: On Axis
Dotted Line: 45° Off Axis

At Beyma, the challenge of heat dissipation is met with a clear objective: ensuring our speakers consistently deliver optimal performance within the system, maximizing total sound pressure level (SPL) and maintaining stability.

It's widely recognized that a system's overall SPL decreases over time due to power compression effects in the speakers. Typically, larger voice coil diameters correlate with higher power capacity; however, this also necessitates bigger motor structures to achieve high total output from the transducer.

Beyma's Maltcross cooling technology presents multiple solutions to achieve this goal. It enables the woofer to handle higher power levels with a given coil diameter, allowing for designs with smaller coils and motor structures. This reduction in size decreases weight, increases sensitivity, and maintains adequate power handling for specific applications, resulting in a total SPL comparable to that of drivers with larger motor structures.

Maltcross technology incorporates a forced convection circuit within the driver's core, effectively lowering the coil's operating temperature. Additionally, it functions as a demodulation ring, linearizing the transducer's inductance.

Product Details

BrandBeyma
Model10NMFW
Part Number253-087
UPC8435469041103
Unit of MeasureEach
Weight15.9

Product Specifications

Nominal Diameter10"
Bolt Circle Diameter10.26
Power Handling (RMS)350 Watts
Power Handling (MAX)700 Watts
Impedance8Ω
Frequency Response30 to 2,000Hz
Sensitivity90dB 2.83V/1m
Voice Coil Diameter2.5"

Thiele-Small Parameters

Resonant Frequency (Fs)35Hz
DC Resistance (Re)5.9Ω
Voice Coil Inductance (Le)1.49mH
Mechanical Q (Qms)5.9
Electromagnetic Q (Qes)0.45
Total Q (Qts)0.42
Compliance Equivalent Volume (Vas)1.59ft³
Mechanical Compliance of Suspension (Cms)233mm/N
BL Product (BL)16T·m
Diaphragm Mass Inc. Airload (Mms)0.089g
Maximum Linear Excursion (Xmax)14.5mm
Surface Area of Cone (Sd)0.037cm²

Materials of Construction

Cone MaterialCarbon Fiber
Voice Coil Wire MaterialAluminum

Mounting Information

Overall Outside Diameter10.98"
Baffle Cutout Diameter9"
Depth6.8"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.465ft³
Sealed F371.24Hz
Vented Volume1.41ft³
Vented F336.83Hz

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