PHL audio 3920NdU-7
Coaxial
10″ / 250 mm
Nominal diameter
74 Hz
Resonance
0.2
Q factor
97 dB
Sensitivity
± 4.5 mm
Linear excursion
900 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.6
- dB
- Frequency response
- 60 - 2500
- Hz
- Resonance frequency (free air)
- fS
- 74.0
- Hz
- Mechanical quality factor
- QMS
- 4.62
- Electrical quality factor
- QES
- 0.21
- Total quality factor
- QTS
- 0.20
- Maximum linear excursion
- xmax
- 4.5
- mm
- Maximum excursion before damage
- xlim
- 12.0
- mm
- Air volume displaced at xmax
- VD
- 139
- cm³
- Power handling
- P
- 450
- W
- Program power
- Pmax
- 900
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.4
- Ω
- Inductance (1kHz)
- LE
- 1.07
- mH
- VC Diameter
- 77
- mm
- Winding height
- HVC
- 15
- mm
- Force factor
- Bl
- 20.7
- N/A
- Motor constant
- Bl/√RE
- 8.91
- N/√W
- Air gap height
- HAG
- 10
- mm
- Diameter
- 141
- mm
- Material
- Neodymium
- Effective diameter
- 198
- mm
- Effective area
- SD
- 308
- cm²
- Moving mass
- MMS
- 35.2
- g
- Moving mass (without air load)
- MMD
- 31.1
- g
- Stiffness
- KMS
- 7.69
- N/mm
- Compliance
- CMS
- 130
- µm/N
- Equivalent volume to the compliance
- VAS
- 17.7
- L
- Mechanical resistance
- RMS
- 3.54
- N·s/m
- Nominal diameter
- 10
- ″
- 250
- mm
- Overall diameter
- 255
- mm
- Baffle cutout diameter
- 229
- mm
- Overall depth
- 143
- mm
- Flange thickness
- 11
- mm
- Mounting depth
- 132
- mm
- Volume occupied by the driver
- 1.5
- L
- Net weight
- 5.5
- kg