Goldwood GW-406D

Woofer

6.5″ / 165 mm
Nominal diameter
60 Hz
Resonance
0.63
Q factor
88 dB
Sensitivity
± 2 mm
Linear excursion
90 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
87.7
dB
Frequency response
59 - 6000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
60.3
Hz
Mechanical quality factor
QMS
4.13
Electrical quality factor
QES
0.75
Total quality factor
QTS
0.63

Large signal parameters

Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
27
cm³
Power handling
P
60
W
Program power
Pmax
90
W

Voice Coil

Nominal impedance
Z
2 x 8
Ω
DC resistance (in series)
RE
14.0
Ω
Inductance (1kHz, in series)
LE
1.6
mH
VC Diameter
25
mm
Winding material
Aluminum

Magnet

Force factor (in series)
Bl
9.9
N/A
Motor constant
Bl/√RE
2.64
N/√W
Weight
0.283
kg

Diaphragm

Effective diameter
132
mm
Effective area
SD
136
cm²
Moving mass
MMS
13.7
g
Moving mass (without air load)
MMD
12.5
g
Material
Poly

Suspensions

Stiffness
KMS
1.97
N/mm
Compliance
CMS
508
µm/N
Equivalent volume to the compliance
VAS
13.2
L
Mechanical resistance
RMS
1.26
N·s/m
Surround material
Rolled Foam

Dimensions

Nominal diameter
6.5
165
mm
Overall diameter
165
mm
Baffle cutout diameter
146
mm
Mounting depth
83
mm
Volume occupied by the driver (estimated)
0.6
L
Net weight
1.474
kg
Frame material
Stamped Steel
Goldwood GW-406D SPL & Impedance

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fS
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SD
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56 - 8000 Hz
QTS
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xmax
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Bl/√RE
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Pmax
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SD
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