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A perfect team with maximum tonal harmony

The high-end midrange driver GL3 is the next member of the successful BRAX GRAPHIC speaker series and the ideal complement for exceptional three-way constellations in combination with the tweeter GL1 and the mid-woofer GL6. Its lively, dynamic sound characteristics and its particularly wide frequency range make the GL3 ideal for an extraordinary acoustical experience.


  • Power R MS / max.                                                                                                          P 100 / 150 Watts
    (highpass > 300 Hz at 24 dB/Oct.)
    Impedance  Z 3 Ω
    DC resistance  Re 2.9 Ω
    Frequency response   250 Hz - 8.000 Hz
    Resonance frequency  Fs 80 Hz
    Mechanical Q factor  Qms 2.90
    Electrical Q factor  Qes 0.29
    Total Q factor Qts 0.26
    Compliance Cms 1180 μm/N
    Equivalent air volume Vas 1.95 L
    Force factor  B*I 4.1 Tm
    Efficiency 1 W / 1 m SPL 87 dB
    Cone area  Sd 35 cm²
    Moving mass  Mms 3.4 g
    Cone material   Paper cone with “MicroSphere” coating consisting of micro ceramic hollow spheres embedded in a polymer layer
    Mechanical resistance  Rms 0.62 kg/s
    Voice coil diameter ø 25 mm / 1"
    Voice coil winding height   6 mm / 0.2"
    Max. linear excursion  Xmax +/- 1.5 mm
    Outer diameter ø 92 mm / 3.6"
    Installation diameter ø 76 mm / 3.0"
    Installation depth   35.5 mm / 1.4"

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