Goldwood GW-12PC/8

Subwoofer

12″ / 311 mm
Nominal diameter
33 Hz
Resonance
0.49
Q factor
89 dB
Sensitivity
± 5 mm
Linear excursion
450 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
89.0
dB
Frequency response
20 - 3500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
3.83
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.49

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
247
cm³
Power handling
P
225
W
Program power
Pmax
450
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.1
Ω
Inductance (1kHz)
LE
2.1
mH
VC Diameter
51
mm
Winding material
Aluminum

Magnet

Force factor
Bl
15.7
N/A
Motor constant
Bl/√RE
5.89
N/√W
Weight
1.417
kg

Diaphragm

Effective diameter
251
mm
Effective area
SD
494
cm²
Moving mass
MMS
93.1
g
Moving mass (without air load)
MMD
85.1
g
Material
Poly-Mica

Suspensions

Stiffness
KMS
3.99
N/mm
Compliance
CMS
251
µm/N
Equivalent volume to the compliance
VAS
85.9
L
Mechanical resistance
RMS
5.04
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
12
311
mm
Overall diameter
311
mm
Baffle cutout diameter
283
mm
Mounting depth
137
mm
Volume occupied by the driver (estimated)
1.0
L
Net weight
2.438
kg
Frame material
Die Cast Aluminum
Goldwood GW-12PC/8 Impedance
Goldwood GW-12PC/8 SPL

Export this driver to a simulation software:

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