Goldwood GW-1248

Woofer

12″ / 305 mm
Nominal diameter
33 Hz
Resonance
1.0
Q factor
87 dB
Sensitivity
± 3 mm
Linear excursion
290 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
87.0
dB
Frequency response
18 - 4500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
33.3
Hz
Mechanical quality factor
QMS
3.30
Electrical quality factor
QES
1.30
Total quality factor
QTS
1.00

Large signal parameters

Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
158
cm³
Power handling
P
150
W
Program power
Pmax
290
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.1
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
51
mm
Winding material
Aluminum

Magnet

Force factor
Bl
10.0
N/A
Motor constant
Bl/√RE
3.75
N/√W
Weight
1.134
kg

Diaphragm

Effective diameter
259
mm
Effective area
SD
526
cm²
Moving mass
MMS
88.2
g
Moving mass (without air load)
MMD
79.8
g
Material
Poly-Mica

Suspensions

Stiffness
KMS
3.85
N/mm
Compliance
CMS
260
µm/N
Equivalent volume to the compliance
VAS
104
L
Mechanical resistance
RMS
5.59
N·s/m
Surround material
Butyl Rubber

Dimensions

Nominal diameter
12
305
mm
Overall diameter
305
mm
Baffle cutout diameter
286
mm
Mounting depth
123
mm
Volume occupied by the driver (estimated)
0.91
L
Net weight
2.189
kg
Frame material
Stamped Steel
Goldwood GW-1248 SPL

Export this driver to a simulation software:

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SD
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