Audio System HX 12 EVO

2x2Ω

Subwoofer

Nominal diameter12″ / 300 mm
Resonance33 Hz
Q factor0.51
Sensitivity85.7 dB
Linear excursion± 6 mm
Program Power600 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 85.7dB
  • Frequency response 20 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 33Hz
  • Mechanical quality factor QMS 3.33
  • Electrical quality factor QES 0.60
  • Total quality factor QTS 0.51

Large signal parameters

  • Maximum linear excursion (one way) xmax 6mm
  • Air volume displaced at xmax VD 261cm³
  • Power handling P 500W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 4.2Ω
  • Inductance (1kHz, in series, estimated) LE 2.56mH
  • VC Diameter 54mm
  • Former material Kapton

Magnet

  • Force factor (in series) Bl 14N/A
  • Motor constant Bl/√RE 6.83N/√W
  • Diameter 155mm

Diaphragm

  • Effective diameter 235mm
  • Effective area SD 435cm²
  • Moving mass MMS 145g
  • Moving mass (without air load) MMD 138g
  • Material HPPC-Papier (HPPC Cone)

Suspensions

  • Stiffness KMS 5.81N/mm
  • Compliance CMS 172µm/N
  • Equivalent volume to the compliance VAS 35L
  • Mechanical resistance RMS 9.03N·s/m
  • Surround material Elastomer
  • Spider material Nomex

Dimensions

  • Nominal diameter 12
  • 300mm
  • Overall diameter 312mm
  • Baffle cutout diameter 285mm
  • Overall depth 177mm
  • Flange thickness 22mm
  • Mounting depth 155mm
  • Volume occupied by the driver (estimated) 4L
  • Net weight 9.0kg
  • Frame material Druckguss (Die-Cast)

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