Morel PRIMO 804
Subwoofer
8″ / 223 mm
Nominal diameter
45 Hz
Resonance
0.6
Q factor
85 dB
Sensitivity
± 8 mm
Linear excursion
500 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.2
dB
Frequency response
28 - 900
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
4.44
Electrical quality factor
QES
0.68
Total quality factor
QTS
0.60
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
175
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
1.14
mH
VC Diameter
51
mm
Winding height
HVC
24
mm
Winding material
Copper
Former material
Aluminum
Magnet
Flux density
B
0.66
T
Force factor
Bl
9.07
N/A
Motor constant
Bl/√RE
5.07
N/√W
Air gap height
HAG
8
mm
Material
High grade ferrite
Diaphragm
Effective diameter
167
mm
Effective area
SD
219
cm²
Moving mass
MMS
59
g
Moving mass (without air load)
MMD
56.5
g
Material
Laminated paper
Suspensions
Stiffness
KMS
5.26
N/mm
Compliance
CMS
190
µm/N
Equivalent volume to the compliance
VAS
12.6
L
Mechanical resistance
RMS
3.96
N·s/m
Dimensions
Nominal diameter
8
″
223
mm
Overall diameter
223
mm
Baffle cutout diameter
194
mm
Mounting depth
115
mm
Volume occupied by the driver
2.0
L
Net weight
3.86
kg
Export this driver to a simulation software:
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