P.Audio 8NX-65MB
NT
NX
Low frequency
8″ / 203 mm
Nominal diameter
74 Hz
Resonance
0.24
Q factor
95 dB
Sensitivity
± 3.75 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
70 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
74.0
Hz
Mechanical quality factor
QMS
4.92
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.24
Large signal parameters
Maximum linear excursion
xmax
3.75
mm
Air volume displaced at xmax
VD
80
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.26
mH
VC Diameter
64
mm
Winding height
HVC
15.5
mm
Winding material
Flat aluminium wire
Former material
Kapton
Magnet
Flux density
B
1.3
T
Force factor
Bl
17.9
N/A
Motor constant
Bl/√RE
7.02
N/√W
Air gap height
HAG
8
mm
Material
Neodymium
Diaphragm
Effective diameter
168
mm
Effective area
SD
214
cm²
Moving mass
MMS
27.5
g
Moving mass (without air load)
MMD
25
g
Material
Waterproof Paper
Suspensions
Stiffness
KMS
6.02
N/mm
Compliance
CMS
166
µm/N
Equivalent volume to the compliance
VAS
10.7
L
Mechanical resistance
RMS
2.6
N·s/m
Surround material
Cloth
Spider material
Cotton
Dimensions
Nominal diameter
8
″
203
mm
Overall diameter
237
mm
Baffle cutout diameter
185
mm
Overall depth
103
mm
Flange thickness
14
mm
Mounting depth
89
mm
Volume occupied by the driver (estimated)
1.2
L
Net weight
3.1
kg
Frame material
Aluminium
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Oberton 6NMB200V16 Ω
6.5″Mid Bass
fS
79 Hz
SD
139 cm²
200 - 5000 Hz
QTS
0.27
xmax
4.5 mm
SPL1W
94 dB
Bl/√RE
4.65
Pmax
400 W
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8″Mid Bass
fS
76 Hz
SD
220 cm²
70 - 3000 Hz
QTS
0.25
xmax
6.0 mm
SPL1W
95 dB
Bl/√RE
7.08
Pmax
400 W
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8″Mid-range
fS
76 Hz
SD
190 cm²
50 - 6000 Hz
QTS
0.26
xmax
3.0 mm
SPL1W
95 dB
Bl/√RE
5.99
Pmax
400 W