Power RMS / max. P 200 / 400 Watts
Impedance Z 2 x 2 Ω
DC resistance Re 3.4 Ω
Resonance frequency Fs 46 Hz
Mechanical Q factor Qms 4.45
Electrical Q factor Qes 0.59
Total Q factor Qts 0.52
Compliance Cms 272 µm/N
Equivalent air volume Vas 17.3 L
Force factor B*I 8.6 Tm
Efficiency 1 W / 1 m SPL 90 dB
Cone area Sd 214 cm²
Moving mass Mms 44.2 g
Cone material Hand-scooped paper cone
Mechanical resistance Rms 0.74 kg/s
Voice coil diameter ø 42.5 mm
Voice coil winding height 12.5 mm
Max. linear excursion Xmax +/- 4.0 mm
Outer diameter ø 239 mm / 9.41"
Installation diameter ø 175 mm / 6.89"
Installation depth 40 mm / 1.57"
Recommended enclosure volumes
Sealed box
Net volume 3 L
Lower limiting frequency (-3dB) 63 Hz
DSP settings - Highpass: Butterworth; 12 dB/octave; crossover frequency 40 Hz
- Additional EQ filter: center frequency 90 Hz; Q factor 3.0; gain -4 dB
- Lowpass: Butterworth; 24 dB/octave; crossover frequency 80 - 100 Hz
Vented box For one subwoofer For two subwoofers
Net volume 12 L 24 L
Port diameter ø 60 mm / 2.36" 80 mm / 3.15
Port area 28 cm² 50 cm²
Port length 25 cm / 9.84" 20 cm / 3.94"
Port tuning frequency Fb 46 Hz 46 Hz
Lower limiting frequency (-3dB) 45 Hz 45 Hz
DSP settings - Highpass: Self-Define; crossover frequency 40 Hz; Q factor 1.3
- Additional EQ filter: center frequency 67 Hz; Q factor 3.0; gain -3 dB
- Lowpass: Butterworth; 24 dB/octave; crossover frequency 80 - 100 Hz