PUNKTKILDE FSB224040-0802

Woofer

4″ / 102 mm
Nominal diameter
70 Hz
Resonance
0.81
Q factor
83 dB
Sensitivity
± 5 mm
Linear excursion
30 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
83.3
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
69.9
Hz
Mechanical quality factor
QMS
9.54
Electrical quality factor
QES
0.88
Total quality factor
QTS
0.81

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Maximum excursion before damage
xlim
14.0
mm
Air volume displaced at xmax
VD
28
cm³
Power handling
P
15
W
Program power
Pmax
30
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.5
Ω
Inductance (1kHz)
LE
0.43
mH
VC Diameter
25
mm
Winding height
HVC
15
mm
Winding material
Copper Clad Aluminium
Former material
Glass-fiber

Magnet

Force factor
Bl
5.12
N/A
Motor constant
Bl/√RE
1.87
N/√W
Air gap height
HAG
5
mm
Material
Ferrite

Diaphragm

Effective diameter
85
mm
Effective area
SD
57
cm²
Moving mass
MMS
7
g
Moving mass (without air load)
MMD
6.7
g
Material
Kevlar

Suspensions

Stiffness
KMS
1.35
N/mm
Compliance
CMS
741
µm/N
Equivalent volume to the compliance
VAS
3.37
L
Mechanical resistance
RMS
0.322
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
4
102
mm
Volume occupied by the driver (estimated)
0.29
L
Net weight
0.755
kg
Frame material
Aluminium Die-cast
PUNKTKILDE FSB224040-0802 SPL & Impedance
PUNKTKILDE FSB224040-0802 Dimensions

Export this driver to a simulation software:

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Similar woofers to PUNKTKILDE FSB224040-0802

Goldwood GW-S525/4 Woofer
5.25Woofer
fS
73 Hz
SD
82 cm²
40 - 6000 Hz
QTS
0.88
xmax
2.0 mm
SPL1W
84 dB
Bl/√RE
2.05
Pmax
130 W