SB Acoustics SB23MFCL45-8

Subwoofer

8″ / 203 mm
Nominal diameter
29 Hz
Resonance
0.43
Q factor
84 dB
Sensitivity
± 10.5 mm
Linear excursion
300 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
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
SB Acoustics SB23MFCL45-8 SPL & Impedance
SB Acoustics SB23MFCL45-8 Dimensions

Export this driver to a simulation software:

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Similar subwoofers to SB Acoustics SB23MFCL45-8

Wavecor SW215WA01 Woofer
8.5Woofer
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