CF120-4 4-1/2" Woven Carbon Fiber Midwoofer 4 Ohms

Data sheet

Impedance

4 Ohm

Driver type

Midwoofer

Sensitivity

89.1 dB 2.83V/1m

Frequency range

50 - 15000 Hz

Resonance frequency (fs)

53.2 Hz

DC resistance (Re)

3.4 ohms

Mechanical Q (Qms)

1.89

Electrical Q at Fs (Qes)

0.32

Total Q factor (Qts)

0.28

Speaker diameter

4"

Power handling

60 W

Voice coil inductance (L)

0.45 mH @ 1 kHz

Effective mechanical mass incl air load (mms)

6.9g

Effective piston radiating area (Sd)

51.5 cm²

Force factor (BL)

4.94 Tm

Equivalent volume of compliance (Vas)

4.87 liters

Overall diameter

5" ; Across flats 4.5"

Mounting diameter

3.75"