Ground Zero IRIDIUM GZIW 10XSPL-D2

2x2Ω

Subwoofer

Nominal diameter10″ / 250 mm
Resonance36.2 Hz
Q factor0.61
Sensitivity83.3 dB
Linear excursion± 16 mm
Program Power700 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 83.3dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 36.2Hz
  • Mechanical quality factor QMS 10.50
  • Electrical quality factor QES 0.65
  • Total quality factor QTS 0.61

Large signal parameters

  • Maximum linear excursion (one way) xmax 16mm
  • Air volume displaced at xmax VD 550cm³
  • Power handling P 500W
  • Program power Pmax 700W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.9Ω
  • Inductance (1kHz, in series) LE 2.96mH
  • VC Diameter 63mm
  • Winding material Copper

Magnet

  • Force factor (in series) Bl 17N/A
  • Motor constant Bl/√RE 8.56N/√W

Diaphragm

  • Effective diameter 209mm
  • Effective area SD 344cm²
  • Moving mass MMS 205g
  • Moving mass (without air load) MMD 201g
  • Material Reinforced paper

Suspensions

  • Stiffness KMS 10.9N/mm
  • Compliance CMS 92µm/N
  • Equivalent volume to the compliance VAS 15.4L
  • Mechanical resistance RMS 4.45N·s/m
  • Surround material Sandwich
  • Spider material Progressive 2-layer

Dimensions

  • Nominal diameter 10
  • 250mm
  • Overall diameter 257mm
  • Baffle cutout diameter 230mm
  • Mounting depth 147mm
  • Volume occupied by the driver (estimated) 1.6L

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