P.Audio BT12-600A
Low frequency
12″ / 305 mm
Nominal diameter
60 Hz
Resonance
0.4
Q factor
94 dB
Sensitivity
± 3.9 mm
Linear excursion
600 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.7
- dB
- Frequency response
- 60 - 3000
- Hz
- Resonance frequency (free air)
- fS
- 60.0
- Hz
- Mechanical quality factor
- QMS
- 6.14
- Electrical quality factor
- QES
- 0.42
- Total quality factor
- QTS
- 0.40
- Maximum linear excursion
- xmax
- 3.9
- mm
- Air volume displaced at xmax
- VD
- 207
- cm³
- Power handling
- P
- 300
- W
- Program power
- Pmax
- 600
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.0
- Ω
- Inductance (1kHz)
- LE
- 0.76
- mH
- VC Diameter
- 76
- mm
- Winding height
- HVC
- 16.8
- mm
- Winding material
- CCA-W
- Former material
- Glass fiber
- Flux density
- B
- 1.2
- T
- Force factor
- Bl
- 17.2
- N/A
- Motor constant
- Bl/√RE
- 7.02
- N/√W
- Air gap height
- HAG
- 9
- mm
- Material
- Ferrite
- Effective diameter
- 262
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 69.2
- g
- Moving mass (without air load)
- MMD
- 60.5
- g
- Material
- Waterproof Paper
- Stiffness
- KMS
- 8.93
- N/mm
- Compliance
- CMS
- 112
- µm/N
- Equivalent volume to the compliance
- VAS
- 44.8
- L
- Mechanical resistance
- RMS
- 4.25
- N·s/m
- Surround material
- Cloth
- Spider material
- Cotton (Single)
- Nominal diameter
- 12
- ″
- 305
- mm
- Overall diameter
- 314
- mm
- Baffle cutout diameter
- 283
- mm
- Overall depth
- 133
- mm
- Flange thickness
- 15
- mm
- Mounting depth
- 118
- mm
- Volume occupied by the driver (estimated)
- 2.9
- L
- Net weight
- 7.2
- kg
- Frame material
- Aluminium