8″ / 203 mm
Nominal diameter
71 Hz
Resonance
0.27
Q factor
96 dB
Sensitivity
± 3 mm
Linear excursion
450 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.6
dB
Frequency response
100 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
71.0
Hz
Mechanical quality factor
QMS
7.47
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Maximum excursion before damage
xlim
7.0
mm
Air volume displaced at xmax
VD
66
cm³
Power handling
P
225
W
Program power
Pmax
450
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
10.5
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
51
mm
Winding material
Copper
Former material
Polyimide
Magnet
Force factor
Bl
17.6
N/A
Motor constant
Bl/√RE
5.43
N/√W
Air gap height
HAG
7.9
mm
Weight
1.673
kg
Material
Ferrite
Diaphragm
Effective diameter
167
mm
Effective area
SD
219
cm²
Moving mass
MMS
18
g
Moving mass (without air load)
MMD
15.4
g
Material
Paper
Suspensions
Stiffness
KMS
3.7
N/mm
Compliance
CMS
270
µm/N
Equivalent volume to the compliance
VAS
18.3
L
Mechanical resistance
RMS
1.07
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
8
″
203
mm
Overall diameter
238
mm
Baffle cutout diameter
187
mm
Overall depth
95
mm
Volume occupied by the driver
1.04
L
Net weight
4.54
kg
Frame material
Die-cast aluminum
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Export this driver to a simulation software:
WinISD
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Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Eminence DELTA PRO-8B
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10″Mid Bass
fS
68 Hz
SD
320 cm²
65 - 3500 Hz
QTS
0.29
xmax
7.0 mm
SPL1W
95 dB
Bl/√RE
7.81
Pmax
800 W
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8″Mid-range
fS
68 Hz
SD
202 cm²
80 - 5000 Hz
QTS
0.22
xmax
3.3 mm
SPL1W
96 dB
Bl/√RE
5.17
Pmax
300 W
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10″Mid-range
fS
60 Hz
SD
317 cm²
75 - 3500 Hz
QTS
0.25
xmax
5.3 mm
SPL1W
97 dB
Bl/√RE
7.78
Pmax
800 W