PHL audio 2520

Fe
NdM

Mid-range

Nominal diameter8″ / 200 mm
Resonance109 Hz
Q factor0.33
Sensitivity96.1 dB
Linear excursion± 2 mm
Program Power400 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 96.1dB
  • Frequency response 200 - 5000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 109Hz
  • Mechanical quality factor QMS 3.31
  • Electrical quality factor QES 0.37
  • Total quality factor QTS 0.33

Large signal parameters

  • Maximum linear excursion xmax 2mm
  • Maximum excursion before damage xlim 4mm
  • Air volume displaced at xmax VD 48cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.6Ω
  • Inductance (1kHz) LE 1.02mH
  • VC Diameter 51mm
  • Winding height HVC 10mm

Magnet

  • Force factor Bl 14.3N/A
  • Motor constant Bl/√RE 6.04N/√W
  • Air gap height HAG 8mm
  • Diameter 158mm
  • Material Ferrite

Diaphragm

  • Effective diameter 175mm
  • Effective area SD 241cm²
  • Moving mass MMS 19.3g
  • Moving mass (without air load) MMD 16.7g

Suspensions

  • Stiffness KMS 9.09N/mm
  • Compliance CMS 110µm/N
  • Equivalent volume to the compliance VAS 9L
  • Mechanical resistance RMS 3.99N·s/m

Dimensions

  • Nominal diameter 8
  • 200mm
  • Overall diameter 205mm
  • Baffle cutout diameter 185mm
  • Overall depth 100mm
  • Flange thickness 10mm
  • Mounting depth 90mm
  • Volume occupied by the driver 1L
  • Net weight 4.5kg
PHL audio 2520 SPL & Impedance
PHL audio 2520 Distortion
PHL audio 2520 Force factor
PHL audio 2520 Inductance
PHL audio 2520 Stiffness
PHL audio 2520 Dimensions

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