SB Acoustics SB34SWPL76-4

Subwoofer

12″ / 305 mm
Nominal diameter
19 Hz
Resonance
0.33
Q factor
84 dB
Sensitivity
± 15 mm
Linear excursion
600 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
84.0
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
19.0
Hz
Mechanical quality factor
QMS
8.60
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.33

Large signal parameters

Maximum linear excursion
xmax
15.0
mm
Air volume displaced at xmax
VD
687
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
5.3
mH
VC Diameter
76
mm
Winding height
HVC
38
mm

Magnet

Flux density
B
0.62
T
Force factor
Bl
18.0
N/A
Motor constant
Bl/√RE
9.62
N/√W
Air gap height
HAG
8
mm
Weight
2.4
kg

Diaphragm

Effective diameter
241
mm
Effective area
SD
458
cm²
Moving mass
MMS
266
g
Moving mass (without air load)
MMD
258.7
g

Suspensions

Stiffness
KMS
3.85
N/mm
Compliance
CMS
260
µm/N
Equivalent volume to the compliance
VAS
78.5
L
Mechanical resistance
RMS
3.7
N·s/m

Dimensions

Nominal diameter
12
305
mm
Volume occupied by the driver (estimated)
3.4
L
Net weight
7.68
kg
SB Acoustics SB34SWPL76-4 SPL & Impedance
SB Acoustics SB34SWPL76-4 Dimensions

Export this driver to a simulation software:

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fS
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SD
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10 - 900 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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Pmax
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