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Power RMS / max. P 75 / 150 Watts
(highpass > 400 Hz at 24 dB/Oct.)
Impedance Z 4 Ω
DC resistance Re 3.3 Ω
Resonance frequency Fs 130 Hz
Mechanical Q factor Qms 4.72
Electrical Q factor Qes 0.50
Total Q factor Qts 0.45
Compliance Cms 415 µm/N
Equivalent air volume Vas 0.54 L
Force factor B*I 4.4 Tm
Efficiency 1 W / 1 m SPL 86 dB
Cone area Sd 30 cm²
Moving mass Mms 3.7 g
Cone material Glassfiber-paper compound cone
Mechanical resistance Rms 0.63 kg/s
Voice coil diameter ø 25 mm
Voice coil winding height 8 mm
Max. linear excursion Xmax +/- 2 mm
Outer diameter ø 90 mm / 3.54″
Installation diameter ø 73 mm / 2.87″
Installation depth 37 mm / 1.46″
Recommended enclosure volumes
Sealed box with minimum 200 ml net volume
Net volumes Recommended DSP / amplifier settings
0.2 liter (System resonance: 230 Hz) Crossover frequency: 500 Hz
Min. filter slope: 12 dB/Oct.
0.4 liter (System resonance: 190 Hz) Crossover frequency: 450 Hz
Min. filter slope: 18 dB/Oct.
0.6 liter (System resonance: 170 Hz) Crossover frequency: 400 Hz
Min. filter slope: 24 dB/Oct.
Note: The enclosure should always be filled with appropriate damping material.