Eighteen Sound 8NTLS2000
Subwoofer
8″ / 210 mm
Nominal diameter
40 Hz
Resonance
0.19
Q factor
91 dB
Sensitivity
± 7.4 mm
Linear excursion
700 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 91.2
- dB
- Frequency response
- 45 - 1200
- Hz
- Resonance frequency (free air)
- fS
- 40.0
- Hz
- Mechanical quality factor
- QMS
- 11.80
- Electrical quality factor
- QES
- 0.19
- Total quality factor
- QTS
- 0.19
- Maximum linear excursion
- xmax
- 7.4
- mm
- Air volume displaced at xmax
- VD
- 168
- cm³
- Power handling
- P
- 350
- W
- Program power
- Pmax
- 700
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.4
- Ω
- Inductance (1kHz)
- LE
- 0.69
- mH
- VC Diameter
- 51
- mm
- Winding height
- HVC
- 19
- mm
- Force factor
- Bl
- 17.2
- N/A
- Motor constant
- Bl/√RE
- 7.4
- N/√W
- Air gap height
- HAG
- 8.5
- mm
- Material
- Neodymium
- Effective diameter
- 170
- mm
- Effective area
- SD
- 227
- cm²
- Moving mass
- MMS
- 42
- g
- Moving mass (without air load)
- MMD
- 39.5
- g
- Stiffness
- KMS
- 2.65
- N/mm
- Compliance
- CMS
- 377
- µm/N
- Equivalent volume to the compliance
- VAS
- 27.5
- L
- Mechanical resistance
- RMS
- 0.89
- N·s/m
- 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
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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