Dayton Audio Ultimax UM18-22
Subwoofer
18″ / 462 mm
Nominal diameter
26 Hz
Resonance
0.7
Q factor
87 dB
Sensitivity
± 22 mm
Linear excursion
2000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.8
- dB
- Frequency response
- 19 - 500
- Hz
- Resonance frequency (free air)
- fS
- 26.2
- Hz
- Mechanical quality factor
- QMS
- 4.05
- Electrical quality factor
- QES
- 0.85
- Total quality factor
- QTS
- 0.70
- Maximum linear excursion
- xmax
- 22.0
- mm
- Air volume displaced at xmax
- VD
- 2682
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 2000
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 4.3
- Ω
- Inductance (1kHz, in series)
- LE
- 1.5
- mH
- VC Diameter
- 75
- mm
- Force factor (in series)
- Bl
- 21.1
- N/A
- Motor constant
- Bl/√RE
- 10.2
- N/√W
- Material
- Ferrite
- Effective diameter
- 394
- mm
- Effective area
- SD
- 1219
- cm²
- Moving mass
- MMS
- 532
- g
- Moving mass (without air load)
- MMD
- 502.4
- g
- Material
- Nomex
- Stiffness
- KMS
- 14.29
- N/mm
- Compliance
- CMS
- 70
- µm/N
- Equivalent volume to the compliance
- VAS
- 145
- L
- Mechanical resistance
- RMS
- 21.62
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 18
- ″
- 462
- mm
- Overall diameter
- 462
- mm
- Baffle cutout diameter
- 426
- mm
- Overall depth
- 248
- mm
- Volume occupied by the driver (estimated)
- 8.5
- L
- Frame material
- Cast Aluminium
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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