RCF LF15G401

Subwoofer

Nominal diameter15″ / 381 mm
Resonance36 Hz
Q factor0.26
Sensitivity95.2 dB
Linear excursion± 9 mm
Program Power1600 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 95.2dB
  • Frequency response 35 - 1500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 36Hz
  • Mechanical quality factor QMS 6.20
  • Electrical quality factor QES 0.27
  • Total quality factor QTS 0.26

Large signal parameters

  • Maximum linear excursion xmax 9mm
  • Maximum excursion before damage xlim 26mm
  • Air volume displaced at xmax VD 810cm³
  • Power handling P 800W
  • Program power Pmax 1600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 4.8Ω
  • Inductance (1kHz) LE 1.8mH
  • VC Diameter 102mm
  • Winding height HVC 23mm
  • Winding material Copper
  • Former material Glass Fiber

Magnet

  • Force factor Bl 24.6N/A
  • Motor constant Bl/√RE 11.2N/√W
  • Air gap height HAG 12mm

Diaphragm

  • Effective diameter 340mm
  • Effective area SD 900cm²
  • Moving mass MMS 150g
  • Moving mass (without air load) MMD 131g

Suspensions

  • Stiffness KMS 7.69N/mm
  • Compliance CMS 130µm/N
  • Equivalent volume to the compliance VAS 150L
  • Mechanical resistance RMS 5.47N·s/m
  • Spider material with silicon damping

Dimensions

  • Nominal diameter 15
  • 381mm
  • Overall diameter 393mm
  • Baffle cutout diameter 360mm
  • Overall depth 154mm
  • Volume occupied by the driver 4.3L
  • Net weight 13.0kg
RCF LF15G401 Impedance
RCF LF15G401 SPL
RCF LF15G401 Dimensions

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