Fountek FW168K

Mid Bass

6.5″ / 168 mm
Nominal diameter
49 Hz
Resonance
0.43
Q factor
87 dB
Sensitivity
± 5 mm
Linear excursion
100 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
86.9
dB
Frequency response
70 - 4500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
48.6
Hz
Mechanical quality factor
QMS
2.32
Electrical quality factor
QES
0.52
Total quality factor
QTS
0.43

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
62
cm³
Power handling
P
50
W
Program power
Pmax
100
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.8
Ω
Inductance (1kHz, estimated)
LE
0.5
mH
VC Diameter
36
mm
Winding height
HVC
15
mm
Winding material
Copper
Former material
Black Aluminum

Magnet

Flux density
B
1.0
T
Force factor
Bl
7.9
N/A
Motor constant
Bl/√RE
3.03
N/√W
Air gap height
HAG
5
mm
Material
Ferrite

Diaphragm

Effective diameter
126
mm
Effective area
SD
125
cm²
Moving mass
MMS
15.7
g
Moving mass (without air load)
MMD
14.5
g

Suspensions

Stiffness
KMS
1.46
N/mm
Compliance
CMS
684
µm/N
Equivalent volume to the compliance
VAS
15.1
L
Mechanical resistance
RMS
2.06
N·s/m

Dimensions

Nominal diameter
6.5
168
mm
Overall diameter
182
mm
Overall depth
87
mm
Volume occupied by the driver (estimated)
0.55
L
Net weight
1.45
kg
Fountek FW168K SPL & Impedance
Fountek FW168K Dimensions

Export this driver to a simulation software:

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SD
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