Power RMS / max.

P

300 / 600 Watts

Impedance 

Z

4 x 3 Ω

DC resistance 

Re

4 x 3.0 Ω

Frequency response

Resonance frequency 

Fs

29 Hz

Mechanical Q factor 

Qms

3.12

Electrical Q factor 

Qes

0.40

Total Q factor

Qts

0.35

Compliance

Cms

299  µm/N

Equivalent air volume

Vas

46 L

Force factor 

B*I

23.5 Tm

Efficiency 1 W / 1 m

SPL

87 dB

Cone area 

Sd

333 cm²

Moving mass 

Mms

98 g

Cone material

Hand-scooped paper cone

Mechanical resistance 

Rms

5.8 kg/s

Voice coil diameter

ø

50.8 mm

Voice coil winding height

21 mm

Max. linear excursion 

Xmax

+/- 6.5 mm

Outer diameter

ø

265 mm / 10.43"

Installation diameter

ø

232 mm / 9.13"

Installation depth

128.5 mm / 5.06"

Recommended enclosure volumes

Sealed box

 Not recommended

Net volume

- 

Lower limiting frequency (-3dB)

- 

DSP settings

- 

Vented box

Net volume

18 L

Port diameter

ø

70 mm / 2.75"

Port area

28 cm²

Port length

33 cm / 13"

Port tuning frequency

Fb

39 Hz

Lower limiting frequency (-3dB)

36 Hz

DSP settings

- Highpass: Self-Define; crossover frequency 33 Hz; Q factor 1.3
- Lowpass: Butterworth; 24 dB/octave; crossover frequency 80 - 100 Hz