8″ / 220 mm
Nominal diameter
30 Hz
Resonance
0.34
Q factor
90 dB
Sensitivity
± 5.7 mm
Linear excursion
120 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.7
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
3.70
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
5.7
mm
Maximum excursion before damage
xlim
12.0
mm
Air volume displaced at xmax
VD
134
cm³
Power handling
P
70
W
Program power
Pmax
120
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
0.33
mH
VC Diameter
38
mm
Winding height
HVC
17.3
mm
Magnet
Force factor
Bl
6.0
N/A
Motor constant
Bl/√RE
3.46
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
173
mm
Effective area
SD
235
cm²
Moving mass
MMS
23.7
g
Moving mass (without air load)
MMD
21
g
Material
Coated NRSC Fibre Glass
Suspensions
Stiffness
KMS
0.81
N/mm
Compliance
CMS
1230
µm/N
Equivalent volume to the compliance
VAS
95
L
Mechanical resistance
RMS
1.19
N·s/m
Surround material
SBR Rubber
Dimensions
Nominal diameter
8
″
220
mm
Volume occupied by the driver (estimated)
0.87
L
Net weight
2.1
kg
Similar woofers to Scan-Speak 22W/4534G00
10″Woofer
fS
30 Hz
SD
320 cm²
30 - 1000 Hz
QTS
0.35
xmax
4.5 mm
SPL1W
90 dB
Bl/√RE
4.39
Pmax
200 W
10″Subwoofer
fS
31 Hz
SD
330 cm²
30 - 1000 Hz
QTS
0.39
xmax
7.0 mm
SPL1W
90 dB
Bl/√RE
4.38
Pmax
300 W
10″Woofer
fS
28 Hz
SD
320 cm²
30 - 1000 Hz
QTS
0.31
xmax
5.5 mm
SPL1W
90 dB
Bl/√RE
4.92
Pmax
200 W