Eighteen Sound 15NLW9500 8Ω

Subwoofer

Nominal diameter15″ / 380 mm
Resonance35 Hz
Q factor0.32
Sensitivity94.1 dB
Linear excursion± 9 mm
Program Power1400 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 94.1dB
  • Frequency response 42 - 2000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 35Hz
  • Mechanical quality factor QMS 6.70
  • Electrical quality factor QES 0.34
  • Total quality factor QTS 0.32

Large signal parameters

  • Maximum linear excursion xmax 9mm
  • Air volume displaced at xmax VD 765cm³
  • Power handling P 1000W
  • Program power Pmax 1400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 4.9Ω
  • Inductance (1kHz) LE 0.8mH
  • VC Diameter 100mm
  • Winding material Copper

Magnet

  • Force factor Bl 21.6N/A
  • Motor constant Bl/√RE 9.76N/√W
  • Material Neodymium

Diaphragm

  • Effective diameter 329mm
  • Effective area SD 850cm²
  • Moving mass MMS 146g
  • Moving mass (without air load) MMD 129g
  • Material Weather protected

Suspensions

  • Stiffness KMS 7.04N/mm
  • Compliance CMS 142µm/N
  • Equivalent volume to the compliance VAS 163L
  • Mechanical resistance RMS 4.79N·s/m

Dimensions

  • Nominal diameter 15
  • 380mm
  • Overall diameter 387mm
  • Baffle cutout diameter 353mm
  • Overall depth 177mm
  • Flange thickness 24mm
  • Mounting depth 153mm
  • Volume occupied by the driver (estimated) 3.9L
  • Net weight 7.0kg
Eighteen Sound 15NLW9500 8Ω Impedance
Eighteen Sound 15NLW9500 8Ω SPL
Eighteen Sound 15NLW9500 8Ω Dimensions

Similar subwoofers to Eighteen Sound 15NLW9500 8Ω

Oberton 18NXB1600 Woofer

Oberton 18NXB1600

8 Ω
18 Woofer
fS32.4 Hz
SD1158 cm²
30 - 1000 Hz
QTS0.30
xmax13.5 mm
SPL1W94.1 dB
Bl/√RE12.8
Pmax3200 W
PHL audio 5021M Subwoofer

PHL audio 5021M

8 Ω
15 Subwoofer
fS32 Hz
SD892 cm²
30 - 2000 Hz
QTS0.30
xmax7 mm
SPL1W93.6 dB
Bl/√RE10.1
Pmax1000 W
Beyma 15LEX1000Nd Subwoofer

Beyma 15LEX1000Nd

8 Ω
15 Subwoofer
fS41 Hz
SD880 cm²
40 - 1500 Hz
QTS0.37
xmax11 mm
SPL1W94.1 dB
Bl/√RE9.6
Pmax2000 W