Dayton Audio CE140-30S-8

Mid-range

Nominal size1x5″ / 36x137 mm
Resonance105 Hz
Q factor1.04
Sensitivity78.9 dB
Linear excursion± 2 mm
Program Power20 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 78.9dB
  • Frequency response 100 - 8000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 105Hz
  • Mechanical quality factor QMS 4.64
  • Electrical quality factor QES 1.35
  • Total quality factor QTS 1.04

Large signal parameters

  • Maximum linear excursion (one way) xmax 2mm
  • Air volume displaced at xmax VD 5cm³
  • Power handling P 10W
  • Program power Pmax 20W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.8Ω
  • Inductance (1kHz) LE 0.78mH
  • VC Diameter 20mm
  • Former material Kapton® / Polyimide

Magnet

  • Force factor Bl 4.34N/A
  • Motor constant Bl/√RE 1.56N/√W
  • Material Neodymium

Diaphragm

  • Effective diameter 57mm
  • Effective area SD 25.1cm²
  • Moving mass MMS 5.08g
  • Moving mass (without air load) MMD 5g
  • Material Fiberglass

Suspensions

  • Stiffness KMS 2.13N/mm
  • Compliance CMS 470µm/N
  • Equivalent volume to the compliance VAS 0.41L
  • Mechanical resistance RMS 0.72N·s/m
  • Surround material Rubber

Dimensions

  • Nominal size 1 x 5
  • 36 x 137mm
  • Overall size 36 x 137mm
  • Baffle cutout diameter 125mm
  • Overall depth 37mm
Dayton Audio CE140-30S-8 Dimensions

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