P.Audio EX12-500S
Low frequency
12″ / 305 mm
Nominal diameter
56 Hz
Resonance
0.4
Q factor
96 dB
Sensitivity
± 3.9 mm
Linear excursion
800 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.8
- dB
- Frequency response
- 50 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 56.0
- Hz
- Mechanical quality factor
- QMS
- 6.46
- Electrical quality factor
- QES
- 0.43
- Total quality factor
- QTS
- 0.40
- Maximum linear excursion
- xmax
- 3.9
- mm
- Air volume displaced at xmax
- VD
- 207
- cm³
- Power handling
- P
- 400
- W
- Program power
- Pmax
- 800
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.6
- Ω
- Inductance (1kHz)
- LE
- 0.58
- mH
- VC Diameter
- 76
- mm
- Winding height
- HVC
- 16.8
- mm
- Winding material
- CCA-W
- Former material
- Kapton
- Flux density
- B
- 1.1
- T
- Force factor
- Bl
- 16.33
- N/A
- Motor constant
- Bl/√RE
- 6.9
- N/√W
- Air gap height
- HAG
- 9
- mm
- Material
- Ferrite
- Effective diameter
- 263
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 54.5
- g
- Moving mass (without air load)
- MMD
- 45.8
- g
- Material
- Paper
- Stiffness
- KMS
- 7.35
- N/mm
- Compliance
- CMS
- 136
- µm/N
- Equivalent volume to the compliance
- VAS
- 54.5
- L
- Mechanical resistance
- RMS
- 2.97
- N·s/m
- Surround material
- Cloth
- Spider material
- Cotton (Single)
- Nominal diameter
- 12
- ″
- 305
- mm
- Overall diameter
- 312
- mm
- Baffle cutout diameter
- 278
- mm
- Overall depth
- 153
- mm
- Flange thickness
- 9
- mm
- Mounting depth
- 144
- mm
- Volume occupied by the driver (estimated)
- 3.1
- L
- Net weight
- 7.0
- kg
- Frame material
- Steel