Low frequency
12″ / 305 mm
Nominal diameter
52 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 4.8 mm
Linear excursion
1000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.4
- dB
- Frequency response
- 50 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 52.0
- Hz
- Mechanical quality factor
- QMS
- 6.60
- Electrical quality factor
- QES
- 0.36
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 4.8
- mm
- Air volume displaced at xmax
- VD
- 255
- cm³
- Power handling
- P
- 500
- W
- Program power
- Pmax
- 1000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.5
- Ω
- Inductance (1kHz)
- LE
- 0.43
- mH
- VC Diameter
- 76
- mm
- Winding height
- HVC
- 19
- mm
- Winding material
- Flat aluminium wire
- Former material
- Kapton
- Flux density
- B
- 1.3
- T
- Force factor
- Bl
- 18.25
- N/A
- Motor constant
- Bl/√RE
- 7.16
- N/√W
- Air gap height
- HAG
- 9.5
- mm
- Material
- Ferrite
- Effective diameter
- 264
- mm
- Effective area
- SD
- 531
- cm²
- Moving mass
- MMS
- 57.2
- g
- Moving mass (without air load)
- MMD
- 48.5
- g
- Material
- Paper
- Stiffness
- KMS
- 6.21
- N/mm
- Compliance
- CMS
- 161
- µm/N
- Equivalent volume to the compliance
- VAS
- 64.2
- L
- Mechanical resistance
- RMS
- 2.83
- N·s/m
- Surround material
- Cloth
- Spider material
- Cotton
- Nominal diameter
- 12
- ″
- 305
- mm
- Overall diameter
- 314
- mm
- Baffle cutout diameter
- 283
- mm
- Overall depth
- 152
- mm
- Flange thickness
- 15
- mm
- Mounting depth
- 137
- mm
- Volume occupied by the driver (estimated)
- 3.4
- L
- Net weight
- 8.4
- kg
- Frame material
- Aluminium