Eighteen Sound 15NCX910BE
Coaxial
15″ / 380 mm
Nominal diameter
55 Hz
Resonance
0.33
Q factor
98 dB
Sensitivity
± 7 mm
Linear excursion
900 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 98.2
- dB
- Frequency response
- 50 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 55.0
- Hz
- Mechanical quality factor
- QMS
- 8.20
- Electrical quality factor
- QES
- 0.34
- Total quality factor
- QTS
- 0.33
- Maximum linear excursion
- xmax
- 7.0
- mm
- Air volume displaced at xmax
- VD
- 617
- cm³
- Power handling
- P
- 450
- W
- Program power
- Pmax
- 900
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.0
- Ω
- Inductance (1kHz)
- LE
- 1.1
- mH
- VC Diameter
- 75
- mm
- Winding material
- Copper
- Force factor
- Bl
- 21.0
- N/A
- Motor constant
- Bl/√RE
- 9.39
- N/√W
- Effective diameter
- 335
- mm
- Effective area
- SD
- 881
- cm²
- Moving mass
- MMS
- 86
- g
- Moving mass (without air load)
- MMD
- 67.8
- g
- Stiffness
- KMS
- 10.31
- N/mm
- Compliance
- CMS
- 97
- µm/N
- Equivalent volume to the compliance
- VAS
- 107
- L
- Mechanical resistance
- RMS
- 3.62
- N·s/m
- Nominal diameter
- 15
- ″
- 380
- mm
- Overall diameter
- 393
- mm
- Baffle cutout diameter
- 360
- mm
- Overall depth
- 205
- mm
- Flange thickness
- 14
- mm
- Mounting depth
- 191
- mm
- Volume occupied by the driver (estimated)
- 4.1
- L
- Net weight
- 6.5
- 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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