Focal Sub 10 Dual

2x4Ω

Subwoofer

Nominal diameter10″ / 271 mm
Resonance25 Hz
Q factor0.65
Sensitivity82.5 dB
Program Power500 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 82.5dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 25Hz
  • Mechanical quality factor QMS 5.21
  • Electrical quality factor QES 0.75
  • Total quality factor QTS 0.65

Large signal parameters

  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 7.0Ω
  • Inductance (1kHz, in series, estimated) LE 3.55mH
  • VC Diameter 50mm

Magnet

  • Force factor (in series) Bl 13N/A
  • Motor constant Bl/√RE 4.91N/√W
  • Diameter 140mm

Diaphragm

  • Effective diameter 200mm
  • Effective area SD 314cm²
  • Moving mass MMS 110g
  • Moving mass (without air load) MMD 106g
  • Material Polypropylene

Suspensions

  • Stiffness KMS 2.86N/mm
  • Compliance CMS 350µm/N
  • Equivalent volume to the compliance VAS 49L
  • Mechanical resistance RMS 3.32N·s/m
  • Surround material Butyl

Dimensions

  • Nominal diameter 10
  • 271mm
  • Overall diameter 271mm
  • Baffle cutout diameter 236mm
  • Mounting depth 111mm
  • Volume occupied by the driver (estimated) 1.9L
  • Net weight 4.5kg
Focal Sub 10 Dual Dimensions

Similar subwoofers to Focal Sub 10 Dual

Focal 25 A4 Subwoofer

Focal 25 A4

4 Ω
10 Subwoofer
fS23.5 Hz
SD330 cm²
36 - 500 Hz
QTS0.51
xmax8.5 mm
SPL1W82.7 dB
Bl/√RE6.08
Pmax400 W