GLADEN RS-X 12

Subwoofer

Nominal diameter12″ / 317 mm
Resonance31.4 Hz
Q factor0.45
Sensitivity87.6 dB
Program power750 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 87.6dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 31.4Hz
  • Mechanical quality factor QMS 4.92
  • Electrical quality factor QES 0.49
  • Total quality factor QTS 0.45

Large signal parameters

  • Power handling P 500W
  • Program power Pmax 750W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.7Ω
  • Inductance (1kHz, estimated) LE 2.31mH
  • VC Diameter 76.2mm
  • Former material Aluminium

Magnet

  • Force factor Bl 14.4N/A
  • Motor constant Bl/√RE 7.46N/√W
  • Diameter 185mm

Diaphragm

  • Effective diameter 256mm
  • Effective area SD 514cm²
  • Moving mass (including air load) MMS 150g
  • Moving mass MMD 141g
  • Material Paper

Suspensions

  • Stiffness KMS 5.88N/mm
  • Compliance CMS 170µm/N
  • Equivalent volume to the compliance VAS 63.6L
  • Mechanical resistance RMS 6.54N·s/m
  • Surround material Rubber
  • Spider material Nomex

Dimensions

  • Nominal diameter 12
  • 317mm
  • Overall diameter 317mm
  • Baffle cutout diameter 284mm
  • Mounting depth 148mm
  • Volume occupied by the driver (estimated) 2.7L
  • Frame material Aluminium

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