Eighteen Sound 15NLW4500
4Ω
8ΩSubwoofer
15″ / 393 mm
Nominal diameter
35 Hz
Resonance
0.2
Q factor
95 dB
Sensitivity
± 14.5 mm
Linear excursion
3000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.8
- dB
- Frequency response
- 40 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 35.0
- Hz
- Mechanical quality factor
- QMS
- 6.38
- Electrical quality factor
- QES
- 0.21
- Total quality factor
- QTS
- 0.20
- Maximum linear excursion
- xmax
- 14.5
- mm
- Air volume displaced at xmax
- VD
- 1278
- cm³
- Power handling
- P
- 1500
- W
- Program power
- Pmax
- 3000
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.0
- Ω
- Inductance (1kHz)
- LE
- 1.1
- mH
- VC Diameter
- 115
- mm
- Force factor
- Bl
- 24.4
- N/A
- Motor constant
- Bl/√RE
- 14.1
- N/√W
- Effective diameter
- 335
- mm
- Effective area
- SD
- 881
- cm²
- Moving mass
- MMS
- 198
- g
- Moving mass (without air load)
- MMD
- 179.8
- g
- Stiffness
- KMS
- 9.62
- N/mm
- Compliance
- CMS
- 104
- µm/N
- Equivalent volume to the compliance
- VAS
- 126
- L
- Mechanical resistance
- RMS
- 6.82
- N·s/m
- Nominal diameter
- 15
- ″
- 393
- mm
- Overall diameter
- 393
- mm
- Baffle cutout diameter
- 356
- mm
- Overall depth
- 199
- mm
- Flange thickness
- 15
- mm
- Mounting depth
- 184
- mm
- Volume occupied by the driver (estimated)
- 5.8
- L
- Net weight
- 11.4
- 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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