EASTECH 15L90EHC18091B

Subwoofer

Nominal diameter6″ / 152 mm
Resonance65.5 Hz
Q factor0.80
Sensitivity83.2 dB
Linear excursion± 4.2 mm
Program Power80 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 83.2dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 65.5Hz
  • Mechanical quality factor QMS 7.74
  • Electrical quality factor QES 0.89
  • Total quality factor QTS 0.80

Large signal parameters

  • Maximum linear excursion xmax 4.2mm
  • Air volume displaced at xmax VD 53cm³
  • Power handling P 40W
  • Program power Pmax 80W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.4Ω
  • Inductance (1kHz) LE 0.914mH
  • VC Diameter 30.5mm
  • Winding height HVC 14.4mm
  • Winding material PISVW
  • Former material Aluminum

Magnet

  • Force factor Bl 7.71N/A
  • Motor constant Bl/√RE 4.18N/√W
  • Air gap height HAG 6mm
  • Material Ferrite

Diaphragm

  • Effective diameter 127mm
  • Effective area SD 126cm²
  • Moving mass MMS 37.7g
  • Moving mass (without air load) MMD 36.7g
  • Material Paper

Suspensions

  • Stiffness KMS 6.41N/mm
  • Compliance CMS 156µm/N
  • Equivalent volume to the compliance VAS 3.53L
  • Mechanical resistance RMS 2.01N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 6
  • 152mm
  • Volume occupied by the driver (estimated) 0.47L
  • Net weight 1.168kg
  • Frame material Steel
EASTECH 15L90EHC18091B SPL & Impedance
EASTECH 15L90EHC18091B Dimensions

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