PHL audio 2520NdM

Fe
NdM

Mid-range

Nominal diameter8″ / 200 mm
Resonance110 Hz
Q factor0.37
Sensitivity95.8 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 95.8dB
  • Frequency response 200 - 5000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 110Hz
  • Mechanical quality factor QMS 5.31
  • Electrical quality factor QES 0.40
  • Total quality factor QTS 0.37

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 5.8Ω
  • Inductance (1kHz) LE 0.989mH
  • VC Diameter 51mm
  • Winding height HVC 10mm

Magnet

  • Force factor Bl 14.2N/A
  • Motor constant Bl/√RE 5.9N/√W
  • Air gap height HAG 8mm
  • Diameter 97mm
  • Material Neodymium

Diaphragm

  • Effective diameter 175mm
  • Effective area SD 241cm²
  • Moving mass MMS 20g
  • Moving mass (without air load) MMD 17.4g

Suspensions

  • Stiffness KMS 9.09N/mm
  • Compliance CMS 110µm/N
  • Equivalent volume to the compliance VAS 8.6L
  • Mechanical resistance RMS 2.6N·s/m

Dimensions

  • Nominal diameter 8
  • 200mm
  • Overall diameter 205mm
  • Baffle cutout diameter 185mm
  • Overall depth 88mm
  • Flange thickness 10mm
  • Mounting depth 78mm
  • Volume occupied by the driver 0.65L
  • Net weight 2.0kg
PHL audio 2520NdM Dimensions

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