8″ / 210 mm
Nominal diameter
74 Hz
Resonance
0.26
Q factor
94 dB
Sensitivity
± 4.4 mm
Linear excursion
700 W
Program Power
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.1
dB
Frequency response
60 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
74.0
Hz
Mechanical quality factor
QMS
12.90
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.26
Large signal parameters
Maximum linear excursion
xmax
4.4
mm
Air volume displaced at xmax
VD
100
cm³
Power handling
P
350
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
11.1
Ω
Inductance (1kHz)
LE
1.34
mH
VC Diameter
51
mm
Winding height
HVC
13
mm
Winding material
Aluminum
Magnet
Force factor
Bl
22.4
N/A
Motor constant
Bl/√RE
6.72
N/√W
Air gap height
HAG
8.5
mm
Material
Neodymium
Diaphragm
Effective diameter
170
mm
Effective area
SD
227
cm²
Moving mass
MMS
27
g
Moving mass (without air load)
MMD
24.5
g
Material
Weather protected
Suspensions
Stiffness
KMS
5.85
N/mm
Compliance
CMS
171
µm/N
Equivalent volume to the compliance
VAS
11.3
L
Mechanical resistance
RMS
0.97
N·s/m
Dimensions
Nominal diameter
8
″
210
mm
Overall diameter
210
mm
Baffle cutout diameter
186
mm
Overall depth
121
mm
Flange thickness
9
mm
Mounting depth
112
mm
Volume occupied by the driver (estimated)
0.76
L
Net weight
1.5
kg
.png)
.png)
.jpg)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Eighteen Sound 8NTLW2000 16Ω
.png.webp)
8″Mid Bass
fS
76 Hz
SD
220 cm²
80 - 4000 Hz
QTS
0.28
xmax
6.0 mm
SPL1W
94 dB
Bl/√RE
6.43
Pmax
600 W
.png.webp)
8″Coaxial
fS
79 Hz
SD
227 cm²
70 - 20000 Hz
QTS
0.28
xmax
4.0 mm
SPL1W
95 dB
Bl/√RE
6.02
Pmax
400 W
.jpg.webp)
8″Mid-range
fS
71 Hz
SD
202 cm²
65 - 3000 Hz
QTS
0.25
xmax
5.3 mm
SPL1W
94 dB
Bl/√RE
6.28
Pmax
400 W