SEAS E0070-08 W12CY004

Woofer

4.5″ / 120 mm
Nominal diameter
48 Hz
Resonance
0.38
Q factor
83 dB
Sensitivity
± 3 mm
Linear excursion
300 W
Program Power
SEAS E0070-08 W12CY004 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
82.9
dB
Frequency response
50 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
48.0
Hz
Mechanical quality factor
QMS
6.11
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.38

Large signal parameters

Maximum linear excursion
xmax
3.0
mm
Maximum excursion before damage
xlim
4.5
mm
Air volume displaced at xmax
VD
15
cm³
Power handling
P
150
W
Program power
Pmax
300
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.32
mH
VC Diameter
26
mm
Winding height
HVC
12
mm

Magnet

Flux density
B
1.1
T
Force factor
Bl
5.9
N/A
Motor constant
Bl/√RE
2.52
N/√W
Air gap height
HAG
6
mm
Diameter
90
mm
Weight
0.42
kg

Diaphragm

Effective diameter
80
mm
Effective area
SD
50
cm²
Moving mass
MMS
8.4
g
Moving mass (without air load)
MMD
8.1
g

Suspensions

Stiffness
KMS
0.76
N/mm
Compliance
CMS
1310
µm/N
Equivalent volume to the compliance
VAS
4.6
L
Mechanical resistance
RMS
0.42
N·s/m

Dimensions

Nominal diameter
4.5
″
120
mm
Overall diameter
120
mm
Baffle cutout diameter
96
mm
Mounting depth
59
mm
Volume occupied by the driver (estimated)
0.52
L
Net weight
1.3
kg
SPL & Impedance
SEAS E0070-08 W12CY004 SPL & Impedance
SEAS E0070-08 W12CY004 Dimensions
DatasheetDatasheet

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