Eminence 620H

4Ω

Guitar Speaker

Nominal diameter6″ / 165 mm
Resonance114 Hz
Q factor0.49
Sensitivity95.4 dB
Linear excursion± 0.4 mm
Program power40 W
Discontinued
Eminence 620H Guitar SpeakerEminence 620H Guitar SpeakerEminence 620H Guitar Speaker
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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 95.4dB
  • Frequency response 100 - 5300Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 114Hz
  • Mechanical quality factor QMS 5.50
  • Electrical quality factor QES 0.54
  • Total quality factor QTS 0.49

Large signal parameters

  • Maximum linear excursion (one way) xmax 0.4mm
  • Air volume displaced at xmax VD 5.6cm³
  • Power handling P 20W
  • Program power Pmax 40W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.9Ω
  • Inductance (1kHz) LE 0.25mH
  • VC Diameter 25mm
  • Winding material Copper
  • Former material Paper

Magnet

  • Force factor Bl 5.62N/A
  • Motor constant Bl/√RE 2.83N/√W
  • Air gap height HAG 6.4mm
  • Weight 0.425kg
  • Material Ferrite

Diaphragm

  • Effective diameter 133mm
  • Effective area SD 140cm²
  • Moving mass (including air load) MMS 6g
  • Moving mass MMD 4.8g
  • Material Paper

Suspensions

  • Stiffness KMS 3.13N/mm
  • Compliance CMS 320µm/N
  • Equivalent volume to the compliance VAS 8.67L
  • Mechanical resistance RMS 0.78N·s/m
  • Surround material Full molded paper

Dimensions

  • Nominal diameter 6″
  • 165mm
  • Overall diameter 167mm
  • Baffle cutout diameter 144mm
  • Overall depth 71mm
  • Volume occupied by the driver 0.3L
  • Net weight 1.32kg
  • Frame material Pressed steel
SPL & Impedance
Eminence 620H SPL & Impedance
PDF fileDatasheet

Export this driver to a box design software:

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