Goldwood GW-S650/8

Woofer

6.5″ / 178 mm
Nominal diameter
56 Hz
Resonance
0.83
Q factor
85 dB
Sensitivity
± 2 mm
Linear excursion
170 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
85.4
dB
Frequency response
35 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
56.2
Hz
Mechanical quality factor
QMS
3.49
Electrical quality factor
QES
1.09
Total quality factor
QTS
0.83

Large signal parameters

Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
28
cm³
Power handling
P
85
W
Program power
Pmax
170
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.0
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
25
mm
Winding material
Aluminum

Magnet

Force factor
Bl
6.17
N/A
Motor constant
Bl/√RE
2.33
N/√W
Weight
0.567
kg

Diaphragm

Effective diameter
133
mm
Effective area
SD
140
cm²
Moving mass
MMS
16.8
g
Moving mass (without air load)
MMD
15.5
g
Material
Poly

Suspensions

Stiffness
KMS
2.1
N/mm
Compliance
CMS
477
µm/N
Equivalent volume to the compliance
VAS
13.1
L
Mechanical resistance
RMS
1.7
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
6.5
178
mm
Overall diameter
178
mm
Baffle cutout diameter
149
mm
Mounting depth
73
mm
Volume occupied by the driver (estimated)
0.52
L
Net weight
1.304
kg
Frame material
Stamped Steel
Goldwood GW-S650/8 SPL & Impedance

Export this driver to a simulation software:

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SD
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