Eighteen Sound 15NCX1000
Coaxial
15″ / 380 mm
Nominal diameter
53 Hz
Resonance
0.31
Q factor
98 dB
Sensitivity
± 7.5 mm
Linear excursion
1200 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 97.6
- dB
- Frequency response
- 44 - 3600
- Hz
- Resonance frequency (free air)
- fS
- 53.0
- Hz
- Mechanical quality factor
- QMS
- 10.40
- Electrical quality factor
- QES
- 0.32
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 7.5
- mm
- Air volume displaced at xmax
- VD
- 661
- cm³
- Power handling
- P
- 600
- W
- Program power
- Pmax
- 1200
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.3
- Ω
- Inductance (1kHz)
- LE
- 1.4
- mH
- VC Diameter
- 100
- mm
- Winding material
- CCAW Aluminum
- Force factor
- Bl
- 27.5
- N/A
- Motor constant
- Bl/√RE
- 11.0
- N/√W
- Effective diameter
- 335
- mm
- Effective area
- SD
- 881
- cm²
- Moving mass
- MMS
- 110
- g
- Moving mass (without air load)
- MMD
- 91.8
- g
- Material
- Water repellent
- Stiffness
- KMS
- 12.2
- N/mm
- Compliance
- CMS
- 82
- µm/N
- Equivalent volume to the compliance
- VAS
- 75
- L
- Mechanical resistance
- RMS
- 3.52
- N·s/m
- Nominal diameter
- 15
- ″
- 380
- mm
- Overall diameter
- 393
- mm
- Baffle cutout diameter
- 354
- mm
- Overall depth
- 197
- mm
- Flange thickness
- 12
- mm
- Mounting depth
- 185
- mm
- Volume occupied by the driver (estimated)
- 4.7
- L
- Net weight
- 8.5
- kg