PHL audio 3940-2
Coaxial
10″ / 250 mm
Nominal diameter
90 Hz
Resonance
0.24
Q factor
97 dB
Sensitivity
± 2.5 mm
Linear excursion
500 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.5
- dB
- Frequency response
- 120 - 3000
- Hz
- Resonance frequency (free air)
- fS
- 90.0
- Hz
- Mechanical quality factor
- QMS
- 2.98
- Electrical quality factor
- QES
- 0.27
- Total quality factor
- QTS
- 0.24
- Maximum linear excursion
- xmax
- 2.5
- mm
- Maximum excursion before damage
- xlim
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 83
- cm³
- Power handling
- P
- 250
- W
- Program power
- Pmax
- 500
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.5
- Ω
- Inductance (1kHz)
- LE
- 1.15
- mH
- VC Diameter
- 77
- mm
- Winding height
- HVC
- 12
- mm
- Force factor
- Bl
- 21.1
- N/A
- Motor constant
- Bl/√RE
- 9.0
- N/√W
- Air gap height
- HAG
- 10
- mm
- Diameter
- 204
- mm
- Material
- Ferrite
- Effective diameter
- 205
- mm
- Effective area
- SD
- 330
- cm²
- Moving mass
- MMS
- 38
- g
- Moving mass (without air load)
- MMD
- 33.6
- g
- Stiffness
- KMS
- 12.5
- N/mm
- Compliance
- CMS
- 80
- µm/N
- Equivalent volume to the compliance
- VAS
- 12.7
- L
- Mechanical resistance
- RMS
- 7.21
- N·s/m
- Nominal diameter
- 10
- ″
- 250
- mm
- Overall diameter
- 255
- mm
- Baffle cutout diameter
- 229
- mm
- Overall depth
- 131
- mm
- Flange thickness
- 11
- mm
- Mounting depth
- 120
- mm
- Volume occupied by the driver
- 2.2
- L
- Net weight
- 8.2
- kg