Eighteen Sound 18LW2600

Subwoofer

Nominal diameter18″ / 462 mm
Resonance30 Hz
Q factor0.28
Sensitivity93.5 dB
Linear excursion± 14 mm
Program Power3000 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 93.5dB
  • Frequency response 30 - 800Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 30Hz
  • Mechanical quality factor QMS 12.90
  • Electrical quality factor QES 0.29
  • Total quality factor QTS 0.28

Large signal parameters

  • Maximum linear excursion xmax 14mm
  • Air volume displaced at xmax VD 1715cm³
  • Power handling P 1500W
  • Program power Pmax 3000W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 2.6Ω
  • Inductance (1kHz) LE 1.79mH
  • VC Diameter 100mm
  • Winding material Copper

Magnet

  • Force factor Bl 23.4N/A
  • Motor constant Bl/√RE 14.5N/√W
  • Material Ferrite

Diaphragm

  • Effective diameter 395mm
  • Effective area SD 1225cm²
  • Moving mass MMS 336g
  • Moving mass (without air load) MMD 306g
  • Material Weather protected

Suspensions

  • Stiffness KMS 11.9N/mm
  • Compliance CMS 84µm/N
  • Equivalent volume to the compliance VAS 186L
  • Mechanical resistance RMS 4.91N·s/m

Dimensions

  • Nominal diameter 18
  • 462mm
  • Overall diameter 462mm
  • Baffle cutout diameter 416mm
  • Overall depth 231mm
  • Flange thickness 23mm
  • Mounting depth 208mm
  • Volume occupied by the driver (estimated) 8.8L
  • Net weight 16.1kg
Eighteen Sound 18LW2600 Impedance
Eighteen Sound 18LW2600 SPL
Eighteen Sound 18LW2600 Dimensions

Similar subwoofers to Eighteen Sound 18LW2600

Eighteen Sound 18NLW4100 Subwoofer

Eighteen Sound 18NLW4100

4 Ω
18 Subwoofer
fS29 Hz
SD1225 cm²
30 - 800 Hz
QTS0.27
xmax15 mm
SPL1W94 dB
Bl/√RE14.4
Pmax3000 W
Dayton Audio PA380-8 Woofer

Dayton Audio PA380-8

8 Ω
15 Woofer
fS31.6 Hz
SD845 cm²
28 - 3500 Hz
QTS0.27
xmax5 mm
SPL1W94.3 dB
Bl/√RE10.3
Pmax1000 W