Power handling RMS / max.

 P

100 / 150 Watts

Impedance 

Z

3 Ω

DC resistance 

Re

3.0 Ω

Frequency response

40 Hz - 4,000 Hz

Resonance frequency 

Fs

52 Hz

Mechanical Q factor 

Qms

6.00

Electrical Q factor 

Qes

0.57

Total Q factor

Qts

0.52

Compliance

Cms

603 μm/N

Equivalent air volume

Vas

16.3 L

Force factor 

B*I

5.2 Tm

Sensitivity 

SPL

92 dB @ 2.83V / 1m
88 dB @ 1W / 1m

Cone area 

Sd

139 cm²

Moving mass 

Mms

15.3 g

Cone material

Paper cone with “MicroSphere” coating consisting of micro ceramic hollow spheres embedded in a polymer layer

Mechanical resistance 

Rms

0.84 kg/s

Voice coil diameter

ø

37 mm

Voice coil winding height

14 mm

Max. linear excursion 

Xmax

+/- 4.0 mm

Outer diameter

ø

166 mm / 6.5"

Installation diameter

ø

142 mm / 5.6"

Installation depth

68.2 mm / 2.7" 

Recommended enclosure volumes

Sealed box

Net volume

8 L

Lower limiting frequency (-3dB)

69 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