PHL audio 2440

Mid Bass

Nominal diameter8″ / 200 mm
Resonance77 Hz
Q factor0.31
Sensitivity93.9 dB
Linear excursion± 5 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 93.9dB
  • Frequency response 80 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 77Hz
  • Mechanical quality factor QMS 4.27
  • Electrical quality factor QES 0.34
  • Total quality factor QTS 0.31

Large signal parameters

  • Maximum linear excursion xmax 5mm
  • Maximum excursion before damage xlim 10mm
  • Air volume displaced at xmax VD 110cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.2Ω
  • Inductance (1kHz) LE 0.746mH
  • VC Diameter 51mm
  • Winding height HVC 14mm

Magnet

  • Force factor Bl 12.8N/A
  • Motor constant Bl/√RE 5.61N/√W
  • Air gap height HAG 8mm
  • Diameter 158mm
  • Material Ferrite

Diaphragm

  • Effective diameter 167mm
  • Effective area SD 219cm²
  • Moving mass MMS 22g
  • Moving mass (without air load) MMD 19.7g

Suspensions

  • Stiffness KMS 5.26N/mm
  • Compliance CMS 190µm/N
  • Equivalent volume to the compliance VAS 13.1L
  • Mechanical resistance RMS 2.49N·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 2440 Dimensions

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