Precision Devices PD.24603BR

Subwoofer

Nominal diameter24″ / 610 mm
Resonance34 Hz
Q factor0.31
Sensitivity97.3 dB
Linear excursion± 16 mm
Program Power3600 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 97.3dB
  • Frequency response 20 - 200Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 34Hz
  • Mechanical quality factor QMS 9.92
  • Electrical quality factor QES 0.32
  • Total quality factor QTS 0.31

Large signal parameters

  • Maximum linear excursion (one way) xmax 16mm
  • Air volume displaced at xmax VD 3582cm³
  • Power handling P 1800W
  • Program power Pmax 3600W
  • Peak power Ppeak 7200W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.3Ω
  • Inductance (1kHz) LE 4.01mH
  • VC Diameter 152mm
  • Winding height HVC 37mm
  • Winding material Copper
  • Former material Glass Fibre

Magnet

  • Flux density B 1.5T
  • Force factor Bl 39.5N/A
  • Motor constant Bl/√RE 17.1N/√W
  • Air gap height HAG 15mm
  • Diameter 194mm
  • Material Neodymium

Diaphragm

  • Effective diameter 534mm
  • Effective area SD 2239cm²
  • Moving mass MMS 440g
  • Moving mass (without air load) MMD 366g
  • Material Paper

Suspensions

  • Stiffness KMS 20.1N/mm
  • Compliance CMS 49.8µm/N
  • Equivalent volume to the compliance VAS 355L
  • Mechanical resistance RMS 9.48N·s/m
  • Surround material Fabric
  • Spider material Fabric

Dimensions

  • Nominal diameter 24
  • 610mm
  • Overall diameter 632mm
  • Baffle cutout diameter 573mm
  • Overall depth 277mm
  • Flange thickness 17mm
  • Mounting depth 260mm
  • Volume occupied by the driver (estimated) 15L
  • Net weight 23.0kg
  • Frame material Vented Cast Aluminium
Precision Devices PD.24603BR Impedance
Precision Devices PD.24603BR SPL
Precision Devices PD.24603BR Dimensions

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