Eighteen Sound 15W700
4Ω
8ΩSubwoofer
15″ / 380 mm
Nominal diameter
41 Hz
Resonance
0.27
Q factor
97 dB
Sensitivity
± 6.5 mm
Linear excursion
700 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 97.4
- dB
- Frequency response
- 38 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 41.0
- Hz
- Mechanical quality factor
- QMS
- 4.03
- Electrical quality factor
- QES
- 0.29
- Total quality factor
- QTS
- 0.27
- Maximum linear excursion
- xmax
- 6.5
- mm
- Air volume displaced at xmax
- VD
- 553
- cm³
- Power handling
- P
- 450
- W
- Program power
- Pmax
- 700
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 2.8
- Ω
- Inductance (1kHz)
- LE
- 0.54
- mH
- VC Diameter
- 75
- mm
- Force factor
- Bl
- 14.7
- N/A
- Motor constant
- Bl/√RE
- 8.78
- N/√W
- Material
- Ferrite
- Effective diameter
- 329
- mm
- Effective area
- SD
- 850
- cm²
- Moving mass
- MMS
- 86
- g
- Moving mass (without air load)
- MMD
- 68.7
- g
- Material
- Weather protected
- Stiffness
- KMS
- 5.71
- N/mm
- Compliance
- CMS
- 175
- µm/N
- Equivalent volume to the compliance
- VAS
- 180
- L
- Mechanical resistance
- RMS
- 5.5
- N·s/m
- Nominal diameter
- 15
- ″
- 380
- mm
- Overall diameter
- 387
- mm
- Baffle cutout diameter
- 353
- mm
- Overall depth
- 168
- mm
- Flange thickness
- 19
- mm
- Mounting depth
- 149
- mm
- Volume occupied by the driver (estimated)
- 4.2
- L
- Net weight
- 8.5
- kg