JL Audio 12TW1-4
2Ω
4Ω
Subwoofer
12″ / 300 mm
Nominal diameter
32 Hz
Resonance
0.53
Q factor
85 dB
Sensitivity
± 10 mm
Linear excursion
600 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.2
- dB
- Resonance frequency (free air)
- fS
- 32.4
- Hz
- Mechanical quality factor
- QMS
- 11.07
- Electrical quality factor
- QES
- 0.56
- Total quality factor
- QTS
- 0.53
- Maximum linear excursion
- xmax
- 10.0
- mm
- Air volume displaced at xmax
- VD
- 436
- cm³
- Power handling
- P
- 300
- W
- Program power
- Pmax
- 600
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.5
- Ω
- Inductance (1kHz, estimated)
- LE
- 1.21
- mH
- Force factor
- Bl
- 15.8
- N/A
- Motor constant
- Bl/√RE
- 8.43
- N/√W
- Diameter
- 145
- mm
- Effective diameter
- 236
- mm
- Effective area
- SD
- 436
- cm²
- Moving mass
- MMS
- 193.6
- g
- Moving mass (without air load)
- MMD
- 186.6
- g
- Stiffness
- KMS
- 8.0
- N/mm
- Compliance
- CMS
- 125
- µm/N
- Equivalent volume to the compliance
- VAS
- 33.7
- L
- Mechanical resistance
- RMS
- 3.56
- N·s/m
- Nominal diameter
- 12
- ″
- 300
- mm
- Overall diameter
- 314
- mm
- Baffle cutout diameter
- 281
- mm
- Overall depth
- 139
- mm
- Flange thickness
- 22
- mm
- Mounting depth
- 117
- mm
- Volume occupied by the driver
- 2.04
- L
- Net weight
- 7.5
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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