Fountek FW168

Mid Bass

6.5″ / 168 mm
Nominal diameter
45 Hz
Resonance
0.4
Q factor
87 dB
Sensitivity
± 4.6 mm
Linear excursion
100 W
Program Power
Fountek FW168 Mid BassFountek FW168 Mid BassFountek FW168 Mid Bass
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
87.1
dB
Frequency response
40 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
3.25
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.40

Large signal parameters

Maximum linear excursion
xmax
4.6
mm
Air volume displaced at xmax
VD
55
cm³
Power handling
P
50
W
Program power
Pmax
100
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.2
Ω
Inductance (1kHz, estimated)
LE
0.51
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
8.2
N/A
Motor constant
Bl/√RE
3.06
N/√W
Air gap height
HAG
5.8
mm
Material
Ferrite

Diaphragm

Effective diameter
123
mm
Effective area
SD
119
cm²
Moving mass
MMS
14.7
g
Moving mass (without air load)
MMD
13.7
g

Suspensions

Stiffness
KMS
1.22
N/mm
Compliance
CMS
821
µm/N
Equivalent volume to the compliance
VAS
16.5
L
Mechanical resistance
RMS
1.28
N·s/m

Dimensions

Nominal diameter
6.5
″
168
mm
Overall diameter
168
mm
Overall depth
80
mm
Volume occupied by the driver (estimated)
0.56
L
Net weight
1.76
kg
SPL & Impedance
Fountek FW168 SPL & Impedance
Fountek FW168 Dimensions

Export this driver to a simulation software:

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Similar woofers to Fountek FW168

Fountek FW168K Mid Bass
Fountek  FW168K8 Ω
6.5″Mid Bass
fS
49 Hz
SD
125 cm²
70 - 4500 Hz
QTS
0.43
xmax
5.0 mm
SPL1W
87 dB
Bl/√RE
3.03
Pmax
100 W