Fountek FW222

Mid Bass

8″ / 222 mm
Nominal diameter
35 Hz
Resonance
0.49
Q factor
87 dB
Sensitivity
± 7 mm
Linear excursion
150 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
86.8
dB
Frequency response
50 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
34.6
Hz
Mechanical quality factor
QMS
2.61
Electrical quality factor
QES
0.61
Total quality factor
QTS
0.49

Large signal parameters

Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
153
cm³
Power handling
P
75
W
Program power
Pmax
150
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.8
Ω
Inductance (1kHz, estimated)
LE
0.75
mH
VC Diameter
50
mm
Winding height
HVC
20
mm
Winding material
Copper
Former material
Aluminum

Magnet

Flux density
B
1.0
T
Force factor
Bl
8.7
N/A
Motor constant
Bl/√RE
3.34
N/√W
Air gap height
HAG
6
mm
Material
Ferrite

Diaphragm

Effective diameter
167
mm
Effective area
SD
219
cm²
Moving mass
MMS
30.2
g
Moving mass (without air load)
MMD
27.7
g

Suspensions

Stiffness
KMS
1.43
N/mm
Compliance
CMS
700
µm/N
Equivalent volume to the compliance
VAS
47.7
L
Mechanical resistance
RMS
2.52
N·s/m

Dimensions

Nominal diameter
8
222
mm
Overall diameter
224
mm
Overall depth
95
mm
Volume occupied by the driver (estimated)
0.89
L
Net weight
2.3
kg
Fountek FW222 SPL & Impedance
Fountek FW222 Dimensions

Export this driver to a simulation software:

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