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RS180-4 7" 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 spring terminals.
SIRS1804
Adatlap
- Impedance
- 4 Ohm
- Driver type
- Midwoofer
- Sensitivity
- 89.2 dB @ 2.83V/1m
- Frequency range
- 39 - 3600 Hz
- Resonance frequency (fs)
- 38.4 Hz
- DC resistance (Re)
- 3.1 ohms
- Mechanical Q (Qms)
- 2.13
- Electrical Q at Fs (Qes)
- 0.59
- Total Q factor (Qts)
- 0.46
- Speaker diameter
- 7"
- Power handling
- 120 W
- Voice coil inductance (L)
- 0.45 mH @ 1 kHz
- Effective mechanical mass incl air load (mms)
- 17.8g
- Effective piston radiating area (Sd)
- 124.7 cm²
- Force factor (BL)
- 4.71 Tm
- Equivalent volume of compliance (Vas)
- 21.2 liters
- Overall diameter
- 180.5 mm
- Mounting diameter
- 146 mm
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 spring terminals.