RS270-4 10" Reference Woofer 4 Ohm

Data sheet

Impedance

4 Ohm

Driver type

Midwoofer

Sensitivity

89.2 dB @ 2.83V/1m

Frequency range

21 - 2000 Hz

Resonance frequency (fs)

20.9 Hz

DC resistance (Re)

3.9 ohms

Mechanical Q (Qms)

1.33

Electrical Q at Fs (Qes)

0.35

Total Q factor (Qts)

0.27

Speaker diameter

10"

Power handling

200 W

Voice coil inductance (L)

0.57 mH

Effective mechanical mass incl air load (mms)

98.6g

Effective piston radiating area (Sd)

346.4 cm²

Force factor (BL)

12.1 Tm

Equivalent volume of compliance (Vas)

98.6 liters

Overall diameter

272 mm

Mounting diameter

236 mm