Brax ML6P Matrix Series Woofer Set


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Brax ML6P Matrix Series Woofer Set



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For years, the BRAX MATRIX speaker series has been synonymous for unrivaled sound and quality characteristics. With this in mind, the focus of the further development of the 6.5″ / 165 mm woofers had to be built on state-of-the-art technology and sophisticated materials to meet the requirements of the BRAX brand – pure and precise sound reproduction. As found on our new loudspeakers, the ML10 and ML3, the unique “Microsphere” coating of the ML6P cone also assures outstanding precision in sound reproduction. This patented technology embeds ceramic hollow spheres with a diameter of solely 75 µm in a polyamide layer that is applied to the cone. The special coating guarantees a perfect inner damping without adversely affecting the weight of the cone. This innovative coating increases the stiffness of the hand-scooped cone and lets the woofer play with a more dynamic and accentuated range. In terms of design and technology, the BRAX philosophy is continued without exception: The gentle, precious appearance reveals a number of smart details like the solid stainless steel phase plug for an improved off-axis response and further reduced compression effects, the perfectly linear magnet structure for lowest possible distortion, the multiple ventilated voice-coil for high power handling as well as the rigid and aerodynamically efficient die cast basket. Used as a provider of low frequencies the ML6P finalizes audiophile sound concepts that are designed entirely for authentic musical reproduction and enjoyment. As with every MATRIX product, each speaker set receives its unique serial number, which is recorded in our service database. The exclusive wooden box packaging emphasizes once again the high-end character of BRAX. An optional stainless steel mounting ring set including grill (MR6) is also available. The solid stainless steel ring can either be used as mounting ring or grill support ring depending on your mounting position.


  • Very stiff lightweight paper cone with unique “MicroSphere” coating consisting of micro ceramic hollow spheres embedded in a polymer layer offers best possible impulse response without any sound colouration
  • The solid stainless steel phase plug improves off-axis response and further reduces compression effects
  • Special shaped rubber surround for long linear cone excursion
  • Solid, 24 carat gold-plated terminals for maximum conductivity
  • Aerodynamically shaped aluminum diecast basket with optimized voice coil ventilation
  • Ultra-precise machined magnet system for highest magnetic flux linearity


Power RMS / max.  P 120 / 170 Watts
Impedance  Z 4 Ω
DC resistance  Re 3,6 Ω
Frequency response   40 Hz- 4,000 Hz
Resonance frequency  Fs 50 Hz
Mechanical Q factor  Qms 6.20
Electrical Q factor  Qes 0.52
Total Q factor Qts 0.48
Compliance Cms 670 μm/N
Equivalent air volume Vas 17,6 L
Force factor  B*I 5.7 Tm
Efficiency 1 W / 1 m SPL 88.5 dB
Cone area  Sd 137 cm²
Moving mass  Mms 14.8 g
Cone material   Paper cone with “MicroSphere” coating consisting of micro ceramic hollow spheres embedded in a polymer layer
Mechanical resistance  Rms 0.76 kg/s
Voice coil diameter ø 37 mm / 1.5″
Voice coil winding height   14 mm / 0.6″
Max. linear excursion  Xmax +/- 4.0 mm
Outer diameter ø 167 mm / 6.5″
Installation diameter ø 143 mm / 5.6″
Installation depth   64 mm / 2.5″
Recommended enclosure volumes    
Sealed box    
Net volume   8 L
Lower limiting frequency (-3dB)   68 Hz
Vented box    
Net volume   15 L
Port diameter ø 60 mm / 2.4″
Port area   28 cm²
Port length   19 cm / 7.5″
Port tuning frequency Fb 45 Hz
Lower limiting frequency (-3dB)   48 Hz
0.0000 kg

Brax ML6P


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subwoofer size


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Made in Germany, Brax offers High-End Hi-Fi products.