Peerless PLS-50F25AL03-04

Full-range

Nominal diameter2″ / 51 mm
Resonance210 Hz
Q factor1.10
Sensitivity82.6 dB
Linear excursion± 2.7 mm
Program power20 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 82.6dB
  • Frequency response 150 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 210Hz
  • Mechanical quality factor QMS 6.82
  • Electrical quality factor QES 1.30
  • Total quality factor QTS 1.10

Large signal parameters

  • Maximum linear excursion (one way) xmax 2.7mm
  • Air volume displaced at xmax VD 4cm³
  • Power handling P 10W
  • Program power Pmax 20W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.4Ω
  • Inductance (1kHz) LE 0.039mH
  • VC Diameter 25.7mm

Magnet

  • Force factor Bl 2.38N/A
  • Motor constant Bl/√RE 1.29N/√W
  • Air gap height HAG 3mm
  • Material Ferrite

Diaphragm

  • Effective diameter 44mm
  • Effective area SD 15.2cm²
  • Moving mass (including air load) MMS 1.64g
  • Moving mass MMD 1.6g
  • Material Aluminum

Suspensions

  • Stiffness KMS 2.78N/mm
  • Compliance CMS 360µm/N
  • Equivalent volume to the compliance VAS 0.167L
  • Mechanical resistance RMS 0.32N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 2
  • 51mm
  • Volume occupied by the driver (estimated) 0.12L
  • Net weight 0.32kg
  • Frame material Pressed Steel
Peerless PLS-50F25AL03-04 SPL & Impedance
Peerless PLS-50F25AL03-04 Dimensions

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