Fountek FW146
Mid Bass
5.5″ / 146 mm
Nominal diameter
50 Hz
Resonance
0.4
Q factor
86 dB
Sensitivity
± 3.6 mm
Linear excursion
70 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.9
dB
Frequency response
45 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
3.51
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.40
Large signal parameters
Maximum linear excursion
xmax
3.6
mm
Air volume displaced at xmax
VD
28
cm³
Power handling
P
35
W
Program power
Pmax
70
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz, estimated)
LE
0.31
mH
VC Diameter
26
mm
Winding height
HVC
13
mm
Winding material
Copper
Former material
Black Aluminum
Magnet
Flux density
B
1.0
T
Force factor
Bl
6.07
N/A
Motor constant
Bl/√RE
2.48
N/√W
Air gap height
HAG
5.8
mm
Material
Ferrite
Diaphragm
Effective diameter
99
mm
Effective area
SD
78
cm²
Moving mass
MMS
8.9
g
Moving mass (without air load)
MMD
8.4
g
Suspensions
Stiffness
KMS
0.88
N/mm
Compliance
CMS
1142
µm/N
Equivalent volume to the compliance
VAS
9.8
L
Mechanical resistance
RMS
0.8
N·s/m
Dimensions
Nominal diameter
5.5
″
146
mm
Overall diameter
146
mm
Overall depth
73
mm
Volume occupied by the driver (estimated)
0.39
L
Net weight
1.265
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Fountek FW146
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mivoc SWM 688 Ω
6.5″Subwoofer
fS
47 Hz
SD
125 cm²
35 - 1500 Hz
QTS
0.41
xmax
6.3 mm
SPL1W
85 dB
Bl/√RE
3.5
Pmax
200 W
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