Peerless FCP-1840R02-08

Subwoofer

Nominal diameter18″ / 457 mm
Resonance39 Hz
Q factor0.43
Sensitivity95.1 dB
Linear excursion± 13.5 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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 95.1dB
  • Frequency response 30 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 39Hz
  • Mechanical quality factor QMS 13.70
  • Electrical quality factor QES 0.44
  • Total quality factor QTS 0.43

Large signal parameters

  • Maximum linear excursion (one way) xmax 13.5mm
  • Air volume displaced at xmax VD 1647cm³
  • Power handling P 800W
  • Program power Pmax 1600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.5Ω
  • Inductance (1kHz) LE 0.749mH
  • VC Diameter 100.1mm

Magnet

  • Force factor Bl 26.2N/A
  • Motor constant Bl/√RE 11.2N/√W
  • Air gap height HAG 12mm
  • Material Ferrite

Diaphragm

  • Effective diameter 394mm
  • Effective area SD 1220cm²
  • Moving mass (including air load) MMS 224g
  • Moving mass MMD 195g
  • Material Paper

Suspensions

  • Stiffness KMS 13.7N/mm
  • Compliance CMS 73µm/N
  • Equivalent volume to the compliance VAS 156L
  • Mechanical resistance RMS 4.01N·s/m
  • Surround material Fabric

Dimensions

  • Nominal diameter 18
  • 457mm
  • Volume occupied by the driver (estimated) 8.1L
  • Net weight 17.4kg
  • Frame material Cast Aluminium
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