SEAS RW 220 L0022-04S

Subwoofer

8″ / 220 mm
Nominal diameter
29 Hz
Resonance
0.36
Q factor
88 dB
Sensitivity
± 5 mm
Linear excursion
300 W
Program Power
SEAS RW 220 L0022-04S 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
88.0
dB
Frequency response
30 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
29.0
Hz
Mechanical quality factor
QMS
2.11
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.36

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Maximum excursion before damage
xlim
10.5
mm
Air volume displaced at xmax
VD
110
cm³
Power handling
P
110
W
Program power
Pmax
300
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.38
mH
VC Diameter
39
mm
Winding height
HVC
16
mm

Magnet

Flux density
B
1.0
T
Force factor
Bl
6.4
N/A
Motor constant
Bl/√RE
3.58
N/√W
Air gap height
HAG
6
mm
Weight
0.64
kg

Diaphragm

Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
28.2
g
Moving mass (without air load)
MMD
25.7
g

Suspensions

Stiffness
KMS
0.91
N/mm
Compliance
CMS
1100
µm/N
Equivalent volume to the compliance
VAS
68
L
Mechanical resistance
RMS
2.59
N·s/m

Dimensions

Nominal diameter
8
″
220
mm
Volume occupied by the driver (estimated)
0.91
L
Net weight
2.2
kg
SPL & Impedance
SEAS RW 220 L0022-04S SPL & Impedance
SEAS RW 220 L0022-04S Dimensions
DatasheetDatasheet

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