RS125-4 5" 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, solid aluminum phase plug, and gold terminals.
€49.95
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SIRS1254

Data sheet

Impedance
4 Ohm
Driver type
Midwoofer
Sensitivity
89.9 dB @ 2.83V/1m
Frequency range
65 - 5400 Hz
Resonance frequency (fs)
57.2 Hz
DC resistance (Re)
2.9 ohms
Mechanical Q (Qms)
2.04
Electrical Q at Fs (Qes)
0.45
Total Q factor (Qts)
0.37
Speaker diameter
5"
Power handling
60 W
Voice coil inductance (L)
0.28 mH @ 1 kHz
Effective mechanical mass incl air load (mms)
5.7g
Effective piston radiating area (Sd)
52.8 cm²
Force factor (BL)
3.63 Tm
Equivalent volume of compliance (Vas)
5.29 liters
Overall diameter
125.5 mm
Mounting diameter
94 mm