RS180P-4 7" Reference Paper Woofer 4 Ohm

Dayton Audio Reference Series paper cone drivers combine class-leading low distortion performance with super smooth frequency response due to the use of a proprietary cone blend.
€78.45
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SIRS180P4

Data sheet

Impedance
4 Ohm
Driver type
Midwoofer
Sensitivity
90.8 dB @ 2.83V/1m
Frequency range
35 - 8000 Hz
Resonance frequency (fs)
37.7 Hz
DC resistance (Re)
3.1 ohms
Mechanical Q (Qms)
1.98
Electrical Q at Fs (Qes)
0.48
Total Q factor (Qts)
0.39
Speaker diameter
7"
Power handling
90 W
Voice coil inductance (L)
0.47 mH @ 1 kHz
Effective mechanical mass incl air load (mms)
14.8g
Effective piston radiating area (Sd)
126.7 cm²
Force factor (BL)
4.67 Tm
Equivalent volume of compliance (Vas)
27.3 liters
Overall diameter
180.5 mm
Mounting diameter
146 mm