JL Audio 12W3v3-4
2Ω
4Ω
Subwoofer
12″ / 300 mm
Nominal diameter
27 Hz
Resonance
0.44
Q factor
87 dB
Sensitivity
± 13 mm
Linear excursion
1000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.9
- dB
- Resonance frequency (free air)
- fS
- 26.7
- Hz
- Mechanical quality factor
- QMS
- 7.57
- Electrical quality factor
- QES
- 0.47
- Total quality factor
- QTS
- 0.44
- Maximum linear excursion
- xmax
- 13.0
- mm
- Air volume displaced at xmax
- VD
- 676
- cm³
- Power handling
- P
- 500
- W
- Program power
- Pmax
- 1000
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.6
- Ω
- Inductance (1kHz, estimated)
- LE
- 1.13
- mH
- Force factor
- Bl
- 14.6
- N/A
- Motor constant
- Bl/√RE
- 7.73
- N/√W
- Diameter
- 140
- mm
- Effective diameter
- 257
- mm
- Effective area
- SD
- 520
- cm²
- Moving mass
- MMS
- 168.9
- g
- Moving mass (without air load)
- MMD
- 160.3
- g
- Stiffness
- KMS
- 4.76
- N/mm
- Compliance
- CMS
- 210
- µm/N
- Equivalent volume to the compliance
- VAS
- 80.5
- L
- Mechanical resistance
- RMS
- 3.74
- N·s/m
- Nominal diameter
- 12
- ″
- 300
- mm
- Overall diameter
- 318
- mm
- Baffle cutout diameter
- 281
- mm
- Mounting depth
- 169
- mm
- Volume occupied by the driver
- 2.01
- L
- Net weight
- 6.58
- kg