Peerless SBS-250F38CP01-04

Subwoofer

Nominal diameter10″ / 254 mm
Resonance50 Hz
Q factor0.77
Sensitivity86.3 dB
Linear excursion± 10.5 mm
Program Power400 W
Discontinued
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 86.3dB
  • Frequency response 40 - 200Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 50Hz
  • Mechanical quality factor QMS 4.46
  • Electrical quality factor QES 0.93
  • Total quality factor QTS 0.77

Large signal parameters

  • Maximum linear excursion xmax 10.5mm
  • Air volume displaced at xmax VD 357cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.9Ω
  • Inductance (1kHz) LE 1.16mH
  • VC Diameter 38.8mm
  • Former material Aluminium

Magnet

  • Force factor Bl 10.9N/A
  • Motor constant Bl/√RE 5.52N/√W
  • Air gap height HAG 8mm

Diaphragm

  • Effective diameter 208mm
  • Effective area SD 340cm²
  • Moving mass MMS 90.5g
  • Moving mass (without air load) MMD 86g

Suspensions

  • Stiffness KMS 8.92N/mm
  • Compliance CMS 112µm/N
  • Equivalent volume to the compliance VAS 18.2L
  • Mechanical resistance RMS 6.37N·s/m

Dimensions

  • Nominal diameter 10
  • 254mm
  • Volume occupied by the driver (estimated) 1.3L
  • Net weight 3.16kg
Peerless SBS-250F38CP01-04 SPL & Impedance
Peerless SBS-250F38CP01-04 Dimensions

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