Audio System CARBON08 EVO

2x2Ω

Subwoofer

Nominal diameter8″ / 214 mm
Resonance43.1 Hz
Q factor0.39
Sensitivity83.7 dB
Linear excursion± 6 mm
Program power280 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 83.7dB
  • Frequency response 35 - 400Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 43.1Hz
  • Mechanical quality factor QMS 3.14
  • Electrical quality factor QES 0.45
  • Total quality factor QTS 0.39

Large signal parameters

  • Maximum linear excursion (one way) xmax 6mm
  • Air volume displaced at xmax VD 127cm³
  • Power handling P 200W
  • Program power Pmax 280W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 4.2Ω
  • Inductance (1kHz, in series, estimated) LE 1.43mH
  • VC Diameter 38.6mm
  • Former material Aluminium

Magnet

  • Force factor (in series) Bl 9.7N/A
  • Motor constant Bl/√RE 4.73N/√W

Diaphragm

  • Effective diameter 164mm
  • Effective area SD 211cm²
  • Moving mass (including air load) MMS 60.8g
  • Moving mass MMD 58.4g
  • Material Paper

Suspensions

  • Stiffness KMS 2.73N/mm
  • Compliance CMS 366µm/N
  • Equivalent volume to the compliance VAS 14.2L
  • Mechanical resistance RMS 5.24N·s/m
  • Surround material NBR (Rubber)
  • Spider material PPTA Connex

Dimensions

  • Nominal diameter 8
  • 214mm
  • Overall diameter 214mm
  • Baffle cutout diameter 180mm
  • Overall depth 99mm
  • Flange thickness 10mm
  • Mounting depth 89mm
  • Volume occupied by the driver (estimated) 0.98L
  • Net weight 2.7kg
  • Frame material Steel-Sheet

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