Scan-Speak 32W/4878T11

Woofer

13″ / 320 mm
Nominal diameter
24 Hz
Resonance
0.21
Q factor
92 dB
Sensitivity
± 7 mm
Linear excursion
700 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
92.2
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
24.0
Hz
Mechanical quality factor
QMS
4.25
Electrical quality factor
QES
0.22
Total quality factor
QTS
0.21

Large signal parameters

Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
28.0
mm
Air volume displaced at xmax
VD
368
cm³
Power handling
P
350
W
Program power
Pmax
700
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.36
mH
VC Diameter
75
mm
Winding height
HVC
22
mm
Former material
Titanium

Magnet

Force factor
Bl
14.0
N/A
Motor constant
Bl/√RE
7.95
N/√W
Air gap height
HAG
8
mm
Material
Ferrite

Diaphragm

Effective diameter
260
mm
Effective area
SD
526
cm²
Moving mass
MMS
93
g
Moving mass (without air load)
MMD
84.2
g
Material
Paper sandwich

Suspensions

Stiffness
KMS
2.13
N/mm
Compliance
CMS
470
µm/N
Equivalent volume to the compliance
VAS
185
L
Mechanical resistance
RMS
3.3
N·s/m
Surround material
Coated foam

Dimensions

Nominal diameter
13
320
mm
Volume occupied by the driver (estimated)
4.4
L
Net weight
9.8
kg
Scan-Speak 32W/4878T11 SPL & Impedance
Scan-Speak 32W/4878T11 Dimensions

Export this driver to a simulation software:

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