Rockford Fosgate T0D215
2x2Ω
2x4ΩSubwoofer
15″ / 381 mm
Nominal diameter
26 Hz
Resonance
0.44
Q factor
87 dB
Sensitivity
± 14 mm
Linear excursion
1600 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.4
- dB
- Resonance frequency (free air)
- fS
- 25.5
- Hz
- Mechanical quality factor
- QMS
- 6.50
- Electrical quality factor
- QES
- 0.47
- Total quality factor
- QTS
- 0.44
- Maximum linear excursion
- xmax
- 14.0
- mm
- Air volume displaced at xmax
- VD
- 1183
- cm³
- Power handling
- P
- 800
- W
- Program power
- Pmax
- 1600
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.4
- Ω
- Inductance (1kHz, in series)
- LE
- 5.1
- mH
- VC Diameter
- 76
- mm
- Force factor (in series)
- Bl
- 22.0
- N/A
- Motor constant
- Bl/√RE
- 11.9
- N/√W
- Weight
- 4.99
- kg
- Effective diameter
- 328
- mm
- Effective area
- SD
- 845
- cm²
- Moving mass
- MMS
- 418.9
- g
- Moving mass (without air load)
- MMD
- 402
- g
- Stiffness
- KMS
- 10.75
- N/mm
- Compliance
- CMS
- 93
- µm/N
- Equivalent volume to the compliance
- VAS
- 94.4
- L
- Mechanical resistance
- RMS
- 10.33
- N·s/m
- Nominal diameter
- 15
- ″
- 381
- mm
- Baffle cutout diameter
- 353
- mm
- Mounting depth
- 213
- mm
- Volume occupied by the driver
- 5.41
- L