8″ / 220 mm
Nominal diameter
21 Hz
Resonance
0.22
Q factor
88 dB
Sensitivity
± 9 mm
Linear excursion
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.4
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
21.0
Hz
Mechanical quality factor
QMS
5.20
Electrical quality factor
QES
0.23
Total quality factor
QTS
0.22
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Maximum excursion before damage
xlim
14.0
mm
Air volume displaced at xmax
VD
198
cm³
Power handling
P
80
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.7
Ω
Inductance (1kHz)
LE
0.3
mH
VC Diameter
50
mm
Winding height
HVC
24
mm
Magnet
Force factor
Bl
8.2
N/A
Motor constant
Bl/√RE
4.26
N/√W
Air gap height
HAG
6
mm
Material
Ferrite
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
32.5
g
Moving mass (without air load)
MMD
30
g
Material
Rigid Paper
Suspensions
Stiffness
KMS
0.54
N/mm
Compliance
CMS
1850
µm/N
Equivalent volume to the compliance
VAS
126
L
Mechanical resistance
RMS
0.81
N·s/m
Surround material
SBR Rubber
Dimensions
Nominal diameter
8
″
220
mm
Volume occupied by the driver (estimated)
1.5
L
Net weight
3.6
kg
Frame material
Aluminium
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Scan-Speak 22W/4851T00
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8″Woofer
fS
25 Hz
SD
220 cm²
25 - 3500 Hz
QTS
0.23
xmax
8.0 mm
SPL1W
89 dB
Bl/√RE
4.01
Pmax
300 W
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