JL Audio 12TW3-D8
2x4Ω
2x8Ω
Subwoofer
12″ / 300 mm
Nominal diameter
33 Hz
Resonance
0.67
Q factor
85 dB
Sensitivity
± 15.2 mm
Linear excursion
800 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.2
- dB
- Resonance frequency (free air)
- fS
- 32.7
- Hz
- Mechanical quality factor
- QMS
- 10.07
- Electrical quality factor
- QES
- 0.56
- Total quality factor
- QTS
- 0.67
- Maximum linear excursion
- xmax
- 15.2
- mm
- Air volume displaced at xmax
- VD
- 819
- cm³
- Power handling
- P
- 400
- W
- Program power
- Pmax
- 800
- W
- Nominal impedance
- Z
- 2 x 8
- Ω
- DC resistance (in series)
- RE
- 14.8
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 6.5
- mH
- Force factor (in series)
- Bl
- 39.5
- N/A
- Motor constant
- Bl/√RE
- 10.3
- N/√W
- Diameter
- 156
- mm
- Effective diameter
- 262
- mm
- Effective area
- SD
- 539
- cm²
- Moving mass
- MMS
- 286.1
- g
- Moving mass (without air load)
- MMD
- 277.1
- g
- Stiffness
- KMS
- 12.05
- N/mm
- Compliance
- CMS
- 83
- µm/N
- Equivalent volume to the compliance
- VAS
- 34.1
- L
- Mechanical resistance
- RMS
- 5.83
- N·s/m
- Nominal diameter
- 12
- ″
- 300
- mm
- Overall diameter
- 318
- mm
- Baffle cutout diameter
- 295
- mm
- Mounting depth
- 89
- mm
- Volume occupied by the driver
- 0.82
- L
- Net weight
- 6.8
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
Closed Box Simulator·
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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