Scan-Speak 32W/4878T00
Subwoofer
13″ / 320 mm
Nominal diameter
18 Hz
Resonance
0.32
Q factor
87 dB
Sensitivity
± 14 mm
Linear excursion
550 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
18.0
Hz
Mechanical quality factor
QMS
7.00
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
14.0
mm
Maximum excursion before damage
xlim
28.0
mm
Air volume displaced at xmax
VD
736
cm³
Power handling
P
200
W
Program power
Pmax
550
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
75
mm
Winding height
HVC
36
mm
Former material
Titanium
Magnet
Force factor
Bl
12.5
N/A
Motor constant
Bl/√RE
7.1
N/√W
Air gap height
HAG
8
mm
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
526
cm²
Moving mass
MMS
150
g
Moving mass (without air load)
MMD
141.2
g
Material
Paper sandwich
Suspensions
Stiffness
KMS
1.92
N/mm
Compliance
CMS
520
µm/N
Equivalent volume to the compliance
VAS
204
L
Mechanical resistance
RMS
2.42
N·s/m
Dimensions
Nominal diameter
13
″
320
mm
Volume occupied by the driver (estimated)
3.3
L
Net weight
7.5
kg
Frame material
Aluminium
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Export this driver to a simulation software:
WinISD
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QSpeakers
SpeakerSim
MfbLabs
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fS
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SD
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20 - 3000 Hz
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xmax
8.0 mm
SPL1W
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Bl/√RE
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SD
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QTS
0.32
xmax
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SPL1W
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Bl/√RE
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