PHL audio 4021
Subwoofer
12″ / 300 mm
Nominal diameter
35 Hz
Resonance
0.35
Q factor
91 dB
Sensitivity
± 7.5 mm
Linear excursion
1000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 90.7
- dB
- Frequency response
- 30 - 2000
- Hz
- Resonance frequency (free air)
- fS
- 35.0
- Hz
- Mechanical quality factor
- QMS
- 10.76
- Electrical quality factor
- QES
- 0.36
- Total quality factor
- QTS
- 0.35
- Maximum linear excursion
- xmax
- 7.5
- mm
- Maximum excursion before damage
- xlim
- 14.0
- mm
- Air volume displaced at xmax
- VD
- 404
- cm³
- Power handling
- P
- 500
- W
- Program power
- Pmax
- 1000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.6
- Ω
- Inductance (1kHz)
- LE
- 1.28
- mH
- VC Diameter
- 77
- mm
- Winding height
- HVC
- 20
- mm
- Force factor
- Bl
- 20.5
- N/A
- Motor constant
- Bl/√RE
- 8.66
- N/√W
- Air gap height
- HAG
- 10
- mm
- Diameter
- 204
- mm
- Material
- Ferrite
- Effective diameter
- 262
- mm
- Effective area
- SD
- 539
- cm²
- Moving mass
- MMS
- 123
- g
- Moving mass (without air load)
- MMD
- 114.3
- g
- Stiffness
- KMS
- 5.88
- N/mm
- Compliance
- CMS
- 170
- µm/N
- Equivalent volume to the compliance
- VAS
- 70
- L
- Mechanical resistance
- RMS
- 2.51
- N·s/m
- Nominal diameter
- 12
- ″
- 300
- mm
- Overall diameter
- 307
- mm
- Baffle cutout diameter
- 282
- mm
- Overall depth
- 142
- mm
- Flange thickness
- 13
- mm
- Mounting depth
- 129
- mm
- Volume occupied by the driver
- 2.7
- L
- Net weight
- 8.9
- kg