Rockford Fosgate T1D212
Subwoofer
12″ / 305 mm
Nominal diameter
28 Hz
Resonance
0.52
Q factor
85 dB
Sensitivity
± 16 mm
Linear excursion
1600 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.2
- dB
- Resonance frequency (free air)
- fS
- 28.0
- Hz
- Mechanical quality factor
- QMS
- 4.50
- Electrical quality factor
- QES
- 0.59
- Total quality factor
- QTS
- 0.52
- Maximum linear excursion
- xmax
- 16.0
- mm
- Air volume displaced at xmax
- VD
- 877
- cm³
- Power handling
- P
- 800
- W
- Program power
- Pmax
- 1600
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.3
- Ω
- Inductance (1kHz, in series)
- LE
- 1.8
- mH
- VC Diameter
- 76
- mm
- Force factor (in series)
- Bl
- 15.5
- N/A
- Motor constant
- Bl/√RE
- 8.6
- N/√W
- Weight
- 3.49
- kg
- Effective diameter
- 264
- mm
- Effective area
- SD
- 548
- cm²
- Moving mass
- MMS
- 246.6
- g
- Moving mass (without air load)
- MMD
- 237.8
- g
- Stiffness
- KMS
- 7.63
- N/mm
- Compliance
- CMS
- 131
- µm/N
- Equivalent volume to the compliance
- VAS
- 55.8
- L
- Mechanical resistance
- RMS
- 9.64
- N·s/m
- Nominal diameter
- 12
- ″
- 305
- mm
- Baffle cutout diameter
- 285
- mm
- Mounting depth
- 171
- mm
- Volume occupied by the driver
- 3.0
- L