Scan-Speak Discovery 10F/4424G00

Full-range

Nominal diameter4″ / 100 mm
Resonance90 Hz
Q factor0.29
Sensitivity88.3 dB
Linear excursion± 2.6 mm
Program Power30 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 88.3dB
  • Frequency response 130 - 10000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 90Hz
  • Mechanical quality factor QMS 3.20
  • Electrical quality factor QES 0.32
  • Total quality factor QTS 0.29

Large signal parameters

  • Maximum linear excursion xmax 2.6mm
  • Maximum excursion before damage xlim 7mm
  • Air volume displaced at xmax VD 9.4cm³
  • Power handling P 15W
  • Program power Pmax 30W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.2Ω
  • Inductance (1kHz, estimated) LE 0.14mH
  • VC Diameter 20mm
  • Winding height HVC 9.2mm

Magnet

  • Force factor Bl 3.9N/A
  • Motor constant Bl/√RE 2.18N/√W
  • Air gap height HAG 4mm
  • Material Neodymium

Diaphragm

  • Effective diameter 68mm
  • Effective area SD 36cm²
  • Moving mass MMS 2.8g
  • Moving mass (without air load) MMD 2.6g
  • Material Coated Fibre Glass

Suspensions

  • Stiffness KMS 0.909N/mm
  • Compliance CMS 1100µm/N
  • Equivalent volume to the compliance VAS 2L
  • Mechanical resistance RMS 0.49N·s/m
  • Surround material SBR Rubber

Dimensions

  • Nominal diameter 4
  • 100mm
  • Volume occupied by the driver 0.05L
  • Net weight 0.3kg
Scan-Speak 10F/4424G00 SPL & Impedance
Scan-Speak 10F/4424G00 Dimensions

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