Cerwin Vega ST122D
2x2Ω
2x4ΩSubwoofer
12″ / 314 mm
Nominal diameter
29 Hz
Resonance
0.44
Q factor
85 dB
Sensitivity
± 16.4 mm
Linear excursion
2000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 84.6
- dB
- Resonance frequency (free air)
- fS
- 29.0
- Hz
- Mechanical quality factor
- QMS
- 3.30
- Electrical quality factor
- QES
- 0.51
- Total quality factor
- QTS
- 0.44
- Maximum linear excursion
- xmax
- 16.4
- mm
- Air volume displaced at xmax
- VD
- 804
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 2000
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.3
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.37
- mH
- Force factor (in series)
- Bl
- 17.5
- N/A
- Motor constant
- Bl/√RE
- 9.63
- N/√W
- Diameter
- 189
- mm
- Effective diameter
- 250
- mm
- Effective area
- SD
- 490
- cm²
- Moving mass
- MMS
- 260
- g
- Moving mass (without air load)
- MMD
- 252
- g
- Stiffness
- KMS
- 8.62
- N/mm
- Compliance
- CMS
- 116
- µm/N
- Equivalent volume to the compliance
- VAS
- 39.2
- L
- Mechanical resistance
- RMS
- 14.36
- N·s/m
- Nominal diameter
- 12
- ″
- 314
- mm
- Overall diameter
- 314
- mm
- Baffle cutout diameter
- 283
- mm
- Mounting depth
- 206
- mm
- Volume occupied by the driver
- 3.1
- L
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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