Eminence DELTA-10A-2

Woofer

Nominal diameter10″ / 254 mm
Resonance69.7 Hz
Q factor0.44
Sensitivity94.6 dB
Linear excursion± 6.4 mm
Program Power850 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 94.6dB
  • Frequency response 50 - 3700Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 69.7Hz
  • Mechanical quality factor QMS 5.79
  • Electrical quality factor QES 0.48
  • Total quality factor QTS 0.44

Large signal parameters

  • Maximum linear excursion xmax 6.4mm
  • Maximum excursion before damage xlim 9.4mm
  • Air volume displaced at xmax VD 220cm³
  • Power handling P 425W
  • Program power Pmax 850W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.5Ω
  • Inductance (1kHz) LE 0.58mH
  • VC Diameter 63.5mm
  • Winding material Aluminum
  • Former material Polyimide

Magnet

  • Force factor Bl 12.2N/A
  • Motor constant Bl/√RE 5.19N/√W
  • Air gap height HAG 9.5mm
  • Weight 1.588kg
  • Material Ferrite

Diaphragm

  • Effective diameter 210mm
  • Effective area SD 345cm²
  • Moving mass MMS 29.5g
  • Moving mass (without air load) MMD 24.9g
  • Material Paper

Suspensions

  • Stiffness KMS 5.56N/mm
  • Compliance CMS 180µm/N
  • Equivalent volume to the compliance VAS 29.7L
  • Mechanical resistance RMS 2.23N·s/m
  • Surround material Cloth

Dimensions

  • Nominal diameter 10
  • 254mm
  • Overall diameter 256mm
  • Baffle cutout diameter 233mm
  • Overall depth 108mm
  • Volume occupied by the driver 1.42L
  • Net weight 4.899kg
  • Frame material Pressed Steel
Eminence DELTA-10A-2 SPL & Impedance


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