PHL audio 970Nd

Fe
Nd

Coaxial

Nominal diameter5″ / 130 mm
Resonance67 Hz
Q factor0.35
Sensitivity88.5 dB
Linear excursion± 6.5 mm
Program Power240 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 88.5dB
  • Frequency response 60 - 16000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 67Hz
  • Mechanical quality factor QMS 3.75
  • Electrical quality factor QES 0.39
  • Total quality factor QTS 0.35

Large signal parameters

  • Maximum linear excursion xmax 6.5mm
  • Maximum excursion before damage xlim 12mm
  • Air volume displaced at xmax VD 60cm³
  • Power handling P 120W
  • Program power Pmax 240W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.7Ω
  • Inductance (1kHz) LE 0.346mH
  • VC Diameter 38mm
  • Winding height HVC 16mm

Magnet

  • Force factor Bl 8.1N/A
  • Motor constant Bl/√RE 3.39N/√W
  • Air gap height HAG 6mm
  • Material Neodymium

Diaphragm

  • Effective diameter 108mm
  • Effective area SD 92cm²
  • Moving mass MMS 10.7g
  • Moving mass (without air load) MMD 10g

Suspensions

  • Stiffness KMS 1.89N/mm
  • Compliance CMS 530µm/N
  • Equivalent volume to the compliance VAS 6.2L
  • Mechanical resistance RMS 1.2N·s/m

Dimensions

  • Nominal diameter 5
  • 130mm
  • Overall diameter 136mm
  • Baffle cutout diameter 125mm
  • Overall depth 88mm
  • Flange thickness 12mm
  • Mounting depth 76mm
  • Volume occupied by the driver 0.18L
  • Net weight 1.0kg
PHL audio 970Nd Dimensions

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