8″ / 203 mm
Nominal diameter
29 Hz
Resonance
0.43
Q factor
84 dB
Sensitivity
± 10.5 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.4
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
28.5
Hz
Mechanical quality factor
QMS
7.30
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
10.5
mm
Air volume displaced at xmax
VD
221
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
1.02
mH
VC Diameter
46
mm
Winding height
HVC
29.2
mm
Magnet
Flux density
B
1.03
T
Force factor
Bl
11.3
N/A
Motor constant
Bl/√RE
4.54
N/√W
Air gap height
HAG
8
mm
Weight
2.0
kg
Diaphragm
Effective diameter
164
mm
Effective area
SD
210
cm²
Moving mass
MMS
53
g
Moving mass (without air load)
MMD
50.8
g
Suspensions
Stiffness
KMS
1.7
N/mm
Compliance
CMS
590
µm/N
Equivalent volume to the compliance
VAS
37
L
Mechanical resistance
RMS
1.3
N·s/m
Dimensions
Nominal diameter
8
″
203
mm
Volume occupied by the driver (estimated)
2.0
L
Net weight
4.7
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to SB Acoustics SB23MFCL45-8
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8.5″Woofer
fS
30 Hz
SD
206 cm²
30 - 500 Hz
QTS
0.44
xmax
10.0 mm
SPL1W
85 dB
Bl/√RE
4.65
Pmax
400 W
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8″Woofer
fS
28 Hz
SD
214 cm²
28 - 2400 Hz
QTS
0.38
xmax
7.0 mm
SPL1W
86 dB
Bl/√RE
3.55
Pmax
160 W
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10″Woofer
fS
35 Hz
SD
330 cm²
35 - 2500 Hz
QTS
0.45
xmax
8.0 mm
SPL1W
84 dB
Bl/√RE
5.32
Pmax
360 W