JL Audio 12TW3-D4
2x4Ω
2x8ΩSubwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 26.5 Hz |
| Q factor | 0.53 |
| Sensitivity | 84 dB |
| Linear excursion | ± 15.2 mm |
| Program Power | 800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 84dB
Thiele & Small parameters
- Resonance frequency (free air) fS 26.5Hz
- Mechanical quality factor QMS 10.77
- Electrical quality factor QES 0.56
- Total quality factor QTS 0.53
Large signal parameters
- Maximum linear excursion (one way) xmax 15.2mm
- Air volume displaced at xmax VD 819cm³
- Power handling P 400W
- Program power Pmax 800W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 9.3Ω
- Inductance (1kHz, in series, estimated) LE 9.3mH
Magnet
- Force factor (in series) Bl 29.1N/A
- Motor constant Bl/√RE 9.55N/√W
- Diameter 156mm
Diaphragm
- Effective diameter 262mm
- Effective area SD 539cm²
- Moving mass MMS 307g
- Moving mass (without air load) MMD 298g
Suspensions
- Stiffness KMS 8.48N/mm
- Compliance CMS 118µm/N
- Equivalent volume to the compliance VAS 48.7L
- Mechanical resistance RMS 4.73N·s/m
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 318mm
- Baffle cutout diameter 295mm
- Mounting depth 89mm
- Volume occupied by the driver 0.82L
- Net weight 6.8kg
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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