6″ / 152 mm
Nominal diameter
35 Hz
Resonance
0.34
Q factor
87 dB
Sensitivity
± 4.5 mm
Linear excursion
80 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
2.76
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
56
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.56
mH
VC Diameter
25
mm
Winding height
HVC
14
mm
Magnet
Flux density
B
1.06
T
Force factor
Bl
5.0
N/A
Motor constant
Bl/√RE
2.8
N/√W
Air gap height
HAG
5
mm
Weight
0.36
kg
Diaphragm
Effective diameter
126
mm
Effective area
SD
124
cm²
Moving mass
MMS
13.8
g
Moving mass (without air load)
MMD
12.8
g
Suspensions
Stiffness
KMS
0.67
N/mm
Compliance
CMS
1500
µm/N
Equivalent volume to the compliance
VAS
32.7
L
Mechanical resistance
RMS
1.1
N·s/m
Dimensions
Nominal diameter
6
″
152
mm
Volume occupied by the driver (estimated)
0.38
L
Net weight
0.96
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to SB Acoustics SB16PFC25-4
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8″Woofer
fS
35 Hz
SD
211 cm²
35 - 7000 Hz
QTS
0.33
xmax
5.5 mm
SPL1W
88 dB
Bl/√RE
4.36
Pmax
160 W
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8″Woofer
fS
33 Hz
SD
125 cm²
35 - 2500 Hz
QTS
0.31
xmax
4.0 mm
SPL1W
88 dB
Bl/√RE
2.75
Pmax
250 W
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6″Mid Bass
fS
36 Hz
SD
118 cm²
QTS
0.37
xmax
5.5 mm
SPL1W
87 dB
Bl/√RE
2.78
Pmax
120 W