Fi Car Audio OMEGA 18 D1
2x1Ω
2x2ΩSubwoofer
18″ / 470 mm
Nominal diameter
38 Hz
Resonance
0.28
Q factor
93 dB
Sensitivity
± 34 mm
Linear excursion
9000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.1
- dB
- Resonance frequency (free air)
- fS
- 37.5
- Hz
- Mechanical quality factor
- QMS
- 7.66
- Electrical quality factor
- QES
- 0.29
- Total quality factor
- QTS
- 0.28
- Maximum linear excursion
- xmax
- 34.0
- mm
- Air volume displaced at xmax
- VD
- 4114
- cm³
- Power handling
- P
- 4500
- W
- Program power
- Pmax
- 9000
- W
- Nominal impedance
- Z
- 2 x 1
- Ω
- DC resistance (in series)
- RE
- 1.4
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 0.87
- mH
- Force factor (in series)
- Bl
- 23.6
- N/A
- Motor constant
- Bl/√RE
- 19.9
- N/√W
- Effective diameter
- 393
- mm
- Effective area
- SD
- 1210
- cm²
- Moving mass
- MMS
- 498
- g
- Moving mass (without air load)
- MMD
- 468.2
- g
- Stiffness
- KMS
- 27.03
- N/mm
- Compliance
- CMS
- 37
- µm/N
- Equivalent volume to the compliance
- VAS
- 76.2
- L
- Mechanical resistance
- RMS
- 15.32
- N·s/m
- Nominal diameter
- 18
- ″
- 470
- mm
- Overall diameter
- 470
- mm
- Baffle cutout diameter
- 425
- mm
- Mounting depth
- 324
- mm
- Volume occupied by the driver
- 7.36
- L