Fountek FW323 4ohm
Subwoofer
12″ / 323 mm
Nominal diameter
30 Hz
Resonance
0.45
Q factor
86 dB
Sensitivity
± 17 mm
Linear excursion
700 W
Program Power
.jpg)
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.7
dB
Frequency response
30 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
2.37
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.45
Large signal parameters
Maximum linear excursion
xmax
17.0
mm
Air volume displaced at xmax
VD
835
cm³
Power handling
P
350
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz, estimated)
LE
1.16
mH
VC Diameter
75
mm
Winding height
HVC
42
mm
Winding material
Copper
Former material
Black Aluminum
Magnet
Flux density
B
1.0
T
Force factor
Bl
14.94
N/A
Motor constant
Bl/√RE
8.1
N/√W
Air gap height
HAG
8
mm
Material
Ferrite
Diaphragm
Effective diameter
250
mm
Effective area
SD
491
cm²
Moving mass
MMS
190.6
g
Moving mass (without air load)
MMD
182.5
g
Suspensions
Stiffness
KMS
6.67
N/mm
Compliance
CMS
150
µm/N
Equivalent volume to the compliance
VAS
51.4
L
Mechanical resistance
RMS
15.16
N·s/m
Dimensions
Nominal diameter
12
″
323
mm
Overall diameter
317
mm
Overall depth
152
mm
Volume occupied by the driver (estimated)
3.3
L
Net weight
7.75
kg
.jpg)
.jpg)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Fountek FW323 4ohm
.jpg.webp)
.png.webp)
PowerBass S-1004D2 x 4 Ω
10″Subwoofer
fS
33 Hz
SD
330 cm²
33 - 500 Hz
QTS
0.51
xmax
9.5 mm
SPL1W
85 dB
Bl/√RE
5.88
Pmax
550 W
.jpg.webp)