PHL audio 4021
 8Ω
Subwoofer
| Nominal diameter | 12″ / 300 mm | 
| Resonance | 35 Hz | 
| Q factor | 0.35 | 
| Sensitivity | 90.7 dB | 
| Linear excursion | ± 7.5 mm | 
| Program Power | 1000 W | 
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.7dB
 - Frequency response 30 - 2000Hz
 
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
 - Mechanical quality factor QMS 10.76
 - Electrical quality factor QES 0.36
 - Total quality factor QTS 0.35
 
Large signal parameters
- Maximum linear excursion xmax 7.5mm
 - Maximum excursion before damage xlim 14mm
 - Air volume displaced at xmax VD 404cm³
 - Power handling P 500W
 - Program power Pmax 1000W
 
Voice Coil
- Nominal impedance Z 8Ω
 - DC resistance RE 5.6Ω
 - Inductance (1kHz) LE 1.28mH
 - VC Diameter 77mm
 - Winding height HVC 20mm
 
Magnet
- Force factor Bl 20.5N/A
 - Motor constant Bl/√RE 8.66N/√W
 - Air gap height HAG 10mm
 - Diameter 204mm
 - Material Ferrite
 
Diaphragm
- Effective diameter 262mm
 - Effective area SD 539cm²
 - Moving mass MMS 123g
 - Moving mass (without air load) MMD 114g
 
Suspensions
- Stiffness KMS 5.88N/mm
 - Compliance CMS 170µm/N
 - Equivalent volume to the compliance VAS 70L
 - Mechanical resistance RMS 2.51N·s/m
 
Dimensions
- Nominal diameter 12″
 - 300mm
 - Overall diameter 307mm
 - Baffle cutout diameter 282mm
 - Overall depth 142mm
 - Flange thickness 13mm
 - Mounting depth 129mm
 - Volume occupied by the driver 2.7L
 - Net weight 8.9kg
 
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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