SEAS E0117-08 W19NX004

Woofer

Nominal diameter7″ / 176 mm
Resonance33 Hz
Q factor0.39
Sensitivity86.2 dB
Linear excursion± 7 mm
Program Power340 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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 86.2dB
  • Frequency response 20 - 6000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 33Hz
  • Mechanical quality factor QMS 4.81
  • Electrical quality factor QES 0.42
  • Total quality factor QTS 0.39

Large signal parameters

  • Maximum linear excursion (one way) xmax 7mm
  • Maximum excursion before damage xlim 13mm
  • Air volume displaced at xmax VD 102cm³
  • Power handling P 200W
  • Program power Pmax 340W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.0Ω
  • Inductance (1kHz) LE 0.38mH
  • VC Diameter 39mm
  • Winding height HVC 20mm
  • Former material Titanium

Magnet

  • Flux density B 1.3T
  • Force factor Bl 7.9N/A
  • Motor constant Bl/√RE 3.23N/√W
  • Air gap height HAG 6mm
  • Diameter 110mm

Diaphragm

  • Effective diameter 136mm
  • Effective area SD 146cm²
  • Moving mass MMS 21.1g
  • Moving mass (without air load) MMD 19.8g
  • Material Composite Sound Metamodal™

Suspensions

  • Stiffness KMS 0.943N/mm
  • Compliance CMS 1060µm/N
  • Equivalent volume to the compliance VAS 33L
  • Mechanical resistance RMS 0.91N·s/m

Dimensions

  • Nominal diameter 7
  • 176mm
  • Overall diameter 176mm
  • Baffle cutout diameter 126mm
  • Overall depth 86mm
  • Flange thickness 5mm
  • Mounting depth 81mm
  • Volume occupied by the driver (estimated) 0.65L
  • Net weight 2.0kg
SEAS E0117-08 W19NX004 SPL & Impedance
SEAS E0117-08 W19NX004 Dimensions

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