Eighteen Sound 15NTLW3500
4Ω
8ΩSubwoofer
15″ / 393 mm
Nominal diameter
46 Hz
Resonance
0.4
Q factor
97 dB
Sensitivity
± 8.3 mm
Linear excursion
1800 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.6
- dB
- Frequency response
- 40 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 46.0
- Hz
- Mechanical quality factor
- QMS
- 9.40
- Electrical quality factor
- QES
- 0.41
- Total quality factor
- QTS
- 0.40
- Maximum linear excursion
- xmax
- 8.3
- mm
- Air volume displaced at xmax
- VD
- 731
- cm³
- Power handling
- P
- 900
- W
- Program power
- Pmax
- 1800
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.1
- Ω
- Inductance (1kHz)
- LE
- 0.29
- mH
- VC Diameter
- 88
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 15.8
- N/A
- Motor constant
- Bl/√RE
- 8.97
- N/√W
- Material
- Neodymium
- Effective diameter
- 335
- mm
- Effective area
- SD
- 881
- cm²
- Moving mass
- MMS
- 115
- g
- Moving mass (without air load)
- MMD
- 96.8
- g
- Material
- Weather protected
- Stiffness
- KMS
- 9.62
- N/mm
- Compliance
- CMS
- 104
- µm/N
- Equivalent volume to the compliance
- VAS
- 115
- L
- Mechanical resistance
- RMS
- 3.54
- N·s/m
- Nominal diameter
- 15
- ″
- 393
- mm
- Overall diameter
- 393
- mm
- Baffle cutout diameter
- 357
- mm
- Overall depth
- 229
- mm
- Flange thickness
- 13
- mm
- Mounting depth
- 216
- mm
- Volume occupied by the driver (estimated)
- 3.8
- L
- Net weight
- 5.1
- 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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