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UM18-22 18" Ultimax DVC Subwoofer 2 ohms Per Coil
The UM18-22 is the 18” member of the Ultimax family from Dayton Audio. The Ultimax series features high-power handling, high excursion limits and dual voice coils. They build to move air and sometimes referred to as an audio bulldozer with a sports car's
SIUM1822
Adatlap
- Impedance
- 4 Ohm
- Driver type
- subwoofer
- Sensitivity
- 88.6 dB @ 2.83V/1m
- Resonance frequency (fs)
- 19.5 Hz
- DC resistance (Re)
- 4.4 ohms
- Mechanical Q (Qms)
- 3.82
- Electrical Q at Fs (Qes)
- 0.62
- Total Q factor (Qts)
- 0.53
- Speaker diameter
- 8"
- Power handling
- 2
- Voice coil inductance (L)
- 2.22 mH @ 1 kHz
- Effective mechanical mass incl air load (mms)
- 655g
- Effective piston radiating area (Sd)
- 1
- Force factor (BL)
- 23.8 Tm
- Equivalent volume of compliance (Vas)
- 212 liters
- Overall diameter
- 18.5"
- Mounting diameter
- 17"
The UM18-22 is the 18” member of the Ultimax family from Dayton Audio. The Ultimax series features high-power handling, high excursion limits and dual voice coils. They build to move air and sometimes referred to as an audio bulldozer with a sports car's