Morel Ultimate UW 958
Subwoofer
8″ / 222 mm
Nominal diameter
28 Hz
Resonance
0.35
Q factor
85 dB
Sensitivity
± 11.5 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.9
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
28.0
Hz
Mechanical quality factor
QMS
1.61
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
11.5
mm
Air volume displaced at xmax
VD
280
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
1.32
mH
VC Diameter
130
mm
Winding height
HVC
35
mm
Winding material
Hexatech™ Aluminum
Former material
Aluminum
Magnet
Flux density
B
0.64
T
Force factor
Bl
13.0
N/A
Motor constant
Bl/√RE
5.22
N/√W
Air gap height
HAG
12
mm
Material
High flux double ferrite vented
Diaphragm
Effective diameter
176
mm
Effective area
SD
243
cm²
Moving mass
MMS
65.5
g
Moving mass (without air load)
MMD
62.7
g
Material
Composite cellular fiber
Suspensions
Stiffness
KMS
2.13
N/mm
Compliance
CMS
470
µm/N
Equivalent volume to the compliance
VAS
39.5
L
Mechanical resistance
RMS
7.374
N·s/m
Dimensions
Nominal diameter
8
″
222
mm
Overall diameter
222
mm
Baffle cutout diameter
200
mm
Overall depth
125
mm
Flange thickness
5
mm
Mounting depth
120
mm
Volume occupied by the driver (estimated)
1.9
L
Net weight
5.95
kg
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Export this driver to a simulation software:
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SpeakerbenchSimilar subwoofers to Morel UW 958
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8″Subwoofer
fS
27 Hz
SD
210 cm²
QTS
0.34
xmax
12.0 mm
SPL1W
85 dB
Bl/√RE
5.28
Pmax
300 W
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