Cerwin Vega V122D

2x2Ω
2x4Ω

Subwoofer

12″ / 320 mm
Nominal diameter
27 Hz
Resonance
0.64
Q factor
85 dB
Sensitivity
± 17 mm
Linear excursion
900 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
84.6
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
26.7
Hz
Mechanical quality factor
QMS
11.40
Electrical quality factor
QES
0.68
Total quality factor
QTS
0.64

Large signal parameters

Maximum linear excursion
xmax
17.0
mm
Air volume displaced at xmax
VD
833
cm³
Power handling
P
450
W
Program power
Pmax
900
W

Voice Coil

Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
4.0
Ω
Inductance (1kHz, in series, estimated)
LE
1.32
mH

Magnet

Force factor (in series)
Bl
13.1
N/A
Motor constant
Bl/√RE
6.55
N/√W
Diameter
166
mm

Diaphragm

Effective diameter
250
mm
Effective area
SD
490
cm²
Moving mass
MMS
180.2
g
Moving mass (without air load)
MMD
172.1
g

Suspensions

Stiffness
KMS
5.08
N/mm
Compliance
CMS
197
µm/N
Equivalent volume to the compliance
VAS
67
L
Mechanical resistance
RMS
2.65
N·s/m

Dimensions

Nominal diameter
12
320
mm
Overall diameter
320
mm
Baffle cutout diameter
272
mm
Mounting depth
144
mm
Volume occupied by the driver (estimated)
2.7
L
Cerwin Vega V122D Dimensions

Export this driver to a simulation software:

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