HiFonics ZEUS POWER ZRX6D2

2x2Ω

Subwoofer

Nominal diameter6.5″ / 165 mm
Resonance53.9 Hz
Q factor0.46
Sensitivity81.7 dB
Linear excursion± 8.5 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 81.7dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 53.9Hz
  • Mechanical quality factor QMS 3.03
  • Electrical quality factor QES 0.54
  • Total quality factor QTS 0.46

Large signal parameters

  • Maximum linear excursion (one way) xmax 8.5mm
  • Maximum excursion before damage xlim 15mm
  • Air volume displaced at xmax VD 114cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 4.0Ω
  • Inductance (1kHz, in series) LE 1.7mH
  • VC Diameter 50mm
  • Winding height HVC 25mm

Magnet

  • Force factor (in series) Bl 13.1N/A
  • Motor constant Bl/√RE 6.54N/√W
  • Diameter 134mm
  • Height 35mm
  • Weight 1.985kg

Diaphragm

  • Effective diameter 131mm
  • Effective area SD 134cm²
  • Moving mass MMS 68.2g
  • Moving mass (without air load) MMD 67g
  • Material Non-pressed Paper Cone

Suspensions

  • Stiffness KMS 7.94N/mm
  • Compliance CMS 126µm/N
  • Equivalent volume to the compliance VAS 3.2L
  • Mechanical resistance RMS 7.62N·s/m
  • Surround material Foam Surround
  • Spider material Dual Polycot Spider

Dimensions

  • Nominal diameter 6.5
  • 165mm
  • Overall diameter 182mm
  • Baffle cutout diameter 151mm
  • Mounting depth 106mm
  • Volume occupied by the driver (estimated) 0.64L
  • Frame material Diecast Aluminium

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