Goldwood GW-8002/8

Woofer

8″ / 203 mm
Nominal diameter
57 Hz
Resonance
1.47
Q factor
89 dB
Sensitivity
± 2.5 mm
Linear excursion
130 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
Sensitivity (1W, 1m, infinite baffle)
SPL1W
89.0
dB
Frequency response
45 - 6000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
57.2
Hz
Mechanical quality factor
QMS
5.23
Electrical quality factor
QES
2.04
Total quality factor
QTS
1.47

Large signal parameters

Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
53
cm³
Power handling
P
70
W
Program power
Pmax
130
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.3
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
25
mm
Winding material
Aluminum

Magnet

Force factor
Bl
4.95
N/A
Motor constant
Bl/√RE
1.83
N/√W
Weight
0.51
kg

Diaphragm

Effective diameter
164
mm
Effective area
SD
210
cm²
Moving mass
MMS
19.2
g
Moving mass (without air load)
MMD
17
g
Material
Paper

Suspensions

Stiffness
KMS
2.48
N/mm
Compliance
CMS
404
µm/N
Equivalent volume to the compliance
VAS
25
L
Mechanical resistance
RMS
1.32
N·s/m
Surround material
Rolled Foam

Dimensions

Nominal diameter
8
203
mm
Overall diameter
203
mm
Baffle cutout diameter
184
mm
Mounting depth
86
mm
Volume occupied by the driver (estimated)
0.85
L
Frame material
Stamped Steel
Goldwood GW-8002/8 SPL & Impedance

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Similar woofers to Goldwood GW-8002/8

Morel ELATE Ti MW 9 Woofer
9Woofer
fS
45 Hz
SD
219 cm²
25 - 3000 Hz
QTS
1.20
xmax
4.7 mm
SPL1W
87 dB
Bl/√RE
2.71
Pmax
400 W