SICA 15 PNS 4

Subwoofer

Nominal diameter15″ / 388 mm
Resonance37.3 Hz
Q factor0.35
Sensitivity93.4 dB
Linear excursion± 9 mm
Program Power2400 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 93.4dB
  • Frequency response 35 - 2000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 37.3Hz
  • Mechanical quality factor QMS 5.21
  • Electrical quality factor QES 0.38
  • Total quality factor QTS 0.35

Large signal parameters

  • Maximum linear excursion xmax 9mm
  • Air volume displaced at xmax VD 770cm³
  • Power handling P 1200W
  • Program power Pmax 2400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.1Ω
  • Inductance (1kHz) LE 1.42mH
  • VC Diameter 100mm
  • Winding height HVC 12mm
  • Winding material Copper
  • Former material Glass Fiber

Magnet

  • Flux density B 1.2T
  • Force factor Bl 22.7N/A
  • Motor constant Bl/√RE 10.1N/√W
  • Weight 0.536kg
  • Material Neodymium

Diaphragm

  • Effective diameter 330mm
  • Effective area SD 855cm²
  • Moving mass MMS 162g
  • Moving mass (without air load) MMD 144g
  • Material Paper

Suspensions

  • Stiffness KMS 8.93N/mm
  • Compliance CMS 112µm/N
  • Equivalent volume to the compliance VAS 116L
  • Mechanical resistance RMS 7.28N·s/m
  • Surround material Treated Cloth

Dimensions

  • Nominal diameter 15
  • 388mm
  • Overall diameter 388mm
  • Baffle cutout diameter 355mm
  • Overall depth 177mm
  • Volume occupied by the driver (estimated) 3.9L
  • Net weight 7.0kg
  • Frame material Aluminium Die-Cast
SICA 15 PNS 4 SPL & Impedance
SICA 15 PNS 4 Dimensions

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