Eminence ALPHA 3-16

Full-range

Nominal diameter3″ / 76 mm
Resonance112 Hz
Q factor0.59
Sensitivity86.1 dB
Linear excursion± 2.7 mm
Program Power70 W
Discontinued
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 86.1dB
  • Frequency response 150 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 112Hz
  • Mechanical quality factor QMS 5.89
  • Electrical quality factor QES 0.66
  • Total quality factor QTS 0.59

Large signal parameters

  • Maximum linear excursion xmax 2.7mm
  • Maximum excursion before damage xlim 4mm
  • Air volume displaced at xmax VD 7.7cm³
  • Power handling P 35W
  • Program power Pmax 70W

Voice Coil

  • Nominal impedance Z 16Ω
  • DC resistance RE 10.5Ω
  • Inductance (1kHz) LE 0.14mH
  • VC Diameter 20mm
  • Winding material Copper
  • Former material Polyimide

Magnet

  • Force factor Bl 4.95N/A
  • Motor constant Bl/√RE 1.53N/√W
  • Air gap height HAG 2mm
  • Weight 0.227kg
  • Material Ferrite

Diaphragm

  • Effective diameter 60mm
  • Effective area SD 28.6cm²
  • Moving mass MMS 2g
  • Moving mass (without air load) MMD 1.9g
  • Material Paper/Poly sandwich

Suspensions

  • Stiffness KMS 1.08N/mm
  • Compliance CMS 930µm/N
  • Equivalent volume to the compliance VAS 1.05L
  • Mechanical resistance RMS 0.24N·s/m
  • Surround material Poly

Dimensions

  • Nominal diameter 3
  • 76mm
  • Overall diameter 101mm
  • Baffle cutout diameter 77mm
  • Overall depth 70mm
  • Volume occupied by the driver 0.13L
  • Net weight 0.41kg
  • Frame material Pressed steel
Eminence ALPHA 3-16 SPL & Impedance


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