SEAS E0077-08 W22NX001

Subwoofer

8″ / 220 mm
Nominal diameter
25 Hz
Resonance
0.39
Q factor
87 dB
Sensitivity
± 7 mm
Linear excursion
500 W
Program Power
SEAS E0077-08 W22NX001 Subwoofer
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
86.8
dB
Frequency response
20 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
25.0
Hz
Mechanical quality factor
QMS
4.18
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.39

Large signal parameters

Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
10.0
mm
Air volume displaced at xmax
VD
154
cm³
Power handling
P
200
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.26
mH
VC Diameter
39
mm
Winding height
HVC
20
mm

Magnet

Flux density
B
1.3
T
Force factor
Bl
8.3
N/A
Motor constant
Bl/√RE
3.31
N/√W
Air gap height
HAG
6
mm
Weight
0.9
kg

Diaphragm

Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
31.1
g
Moving mass (without air load)
MMD
28.6
g

Suspensions

Stiffness
KMS
0.74
N/mm
Compliance
CMS
1350
µm/N
Equivalent volume to the compliance
VAS
93
L
Mechanical resistance
RMS
1.15
N·s/m

Dimensions

Nominal diameter
8
″
220
mm
Volume occupied by the driver (estimated)
1.2
L
Net weight
2.8
kg
SPL & Impedance
SEAS E0077-08 W22NX001 SPL & Impedance
SEAS E0077-08 W22NX001 Dimensions
DatasheetDatasheet

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