KICKER L7R 45L7R122
2x2Ω
2x4ΩSubwoofer
12x12″/ 300x300 mm
Nominal size
29 Hz
Resonance
0.54
Q factor
87 dB
Sensitivity
± 17.5 mm
Linear excursion
1200 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.7
- dB
- Resonance frequency (free air)
- fS
- 28.6
- Hz
- Mechanical quality factor
- QMS
- 7.63
- Electrical quality factor
- QES
- 0.58
- Total quality factor
- QTS
- 0.54
- Maximum linear excursion
- xmax
- 17.5
- mm
- Air volume displaced at xmax
- VD
- 1129
- cm³
- Power handling
- P
- 600
- W
- Program power
- Pmax
- 1200
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.7
- Ω
- Inductance (1kHz, in series)
- LE
- 4.4
- mH
- Force factor (in series)
- Bl
- 17.6
- N/A
- Motor constant
- Bl/√RE
- 9.21
- N/√W
- Effective diameter
- 287
- mm
- Effective area
- SD
- 645
- cm²
- Moving mass
- MMS
- 272
- g
- Moving mass (without air load)
- MMD
- 262
- g
- Stiffness
- KMS
- 8.82
- N/mm
- Compliance
- CMS
- 114
- µm/N
- Equivalent volume to the compliance
- VAS
- 67.2
- L
- Mechanical resistance
- RMS
- 6.4065
- N·s/m
- Nominal size
- 12 x 12
- ″
- 300 x 300
- mm
- Mounting baffle cutout
- 281 x 281
- mm
- Mounting depth
- 174
- mm
- Volume occupied by the driver (estimated)
- 2.3
- L