Cerwin Vega HS122D
2x2Ω
2x4ΩSubwoofer
12″ / 319 mm
Nominal diameter
30 Hz
Resonance
0.88
Q factor
84 dB
Sensitivity
± 8.9 mm
Linear excursion
500 W
Program Power
- Amazon.com
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 83.9
- dB
- Resonance frequency (free air)
- fS
- 30.0
- Hz
- Mechanical quality factor
- QMS
- 5.50
- Electrical quality factor
- QES
- 1.05
- Total quality factor
- QTS
- 0.88
- Maximum linear excursion
- xmax
- 8.9
- mm
- Air volume displaced at xmax
- VD
- 472
- cm³
- Power handling
- P
- 250
- W
- Program power
- Pmax
- 500
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.0
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.12
- mH
- Force factor (in series)
- Bl
- 10.9
- N/A
- Motor constant
- Bl/√RE
- 6.29
- N/√W
- Effective diameter
- 260
- mm
- Effective area
- SD
- 530
- cm²
- Moving mass
- MMS
- 220
- g
- Moving mass (without air load)
- MMD
- 211.2
- g
- Stiffness
- KMS
- 7.69
- N/mm
- Compliance
- CMS
- 130
- µm/N
- Equivalent volume to the compliance
- VAS
- 50.9
- L
- Mechanical resistance
- RMS
- 7.54
- N·s/m
- Nominal diameter
- 12
- ″
- 319
- mm
- Overall diameter
- 319
- mm
- Baffle cutout diameter
- 283
- mm
- Mounting depth
- 97
- mm
- Volume occupied by the driver
- 1.05
- L