EASTECH FSB52B002-C802

Woofer

12″ / 305 mm
Nominal diameter
48 Hz
Resonance
0.44
Q factor
95 dB
Sensitivity
± 4.7 mm
Linear excursion
400 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
95.4
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
48.0
Hz
Mechanical quality factor
QMS
3.63
Electrical quality factor
QES
0.51
Total quality factor
QTS
0.44

Large signal parameters

Maximum linear excursion
xmax
4.7
mm
Air volume displaced at xmax
VD
259
cm³
Power handling
P
200
W
Program power
Pmax
400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.54
mH
VC Diameter
50
mm
Winding height
HVC
17.4
mm
Winding material
PESVW
Former material
Kapton

Magnet

Force factor
Bl
12.87
N/A
Motor constant
Bl/√RE
5.35
N/√W
Air gap height
HAG
8
mm
Material
Ferrite

Diaphragm

Effective diameter
265
mm
Effective area
SD
552
cm²
Moving mass
MMS
47.2
g
Moving mass (without air load)
MMD
38.3
g
Material
Paper

Suspensions

Stiffness
KMS
4.35
N/mm
Compliance
CMS
230
µm/N
Equivalent volume to the compliance
VAS
98.9
L
Mechanical resistance
RMS
3.946
N·s/m
Surround material
Cloth

Dimensions

Nominal diameter
12
305
mm
Volume occupied by the driver (estimated)
1.6
L
Net weight
3.732
kg
Frame material
Steel
EASTECH FSB52B002-C802 SPL & Impedance
EASTECH FSB52B002-C802 Dimensions

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