RS225-4 8" Reference Woofer 4 Ohm

The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers. Woofer features a black anodized cone, heavy-duty 6-hole cast frame, low-loss rubber surround, and solid aluminum phase plug.
€89.95
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SIRS2254

Data sheet

Impedance
4 Ohm
Driver type
Midwoofer
Sensitivity
91 dB @ 2.83V/1m
Frequency range
35 - 2300 Hz
Resonance frequency (fs)
33 Hz
DC resistance (Re)
3.2 ohms
Mechanical Q (Qms)
2.02
Electrical Q at Fs (Qes)
0.52
Total Q factor (Qts)
0.41
Speaker diameter
8"
Power handling
160 W
Voice coil inductance (L)
0.49 mH @ 1 kHz
Effective mechanical mass incl air load (mms)
32.2g
Effective piston radiating area (Sd)
213.8 cm²
Force factor (BL)
6.38 Tm
Equivalent volume of compliance (Vas)
46.4 liters
Overall diameter
223 mm
Mounting diameter
184 mm