Peerless HDS-P830874

Woofer

Nominal diameter6.5″ / 165 mm
Resonance61 Hz
Q factor0.51
Sensitivity87.6 dB
Linear excursion± 7.3 mm
Program Power150 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 87.6dB
  • Frequency response 100 - 2500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 61Hz
  • Mechanical quality factor QMS 3.68
  • Electrical quality factor QES 0.60
  • Total quality factor QTS 0.51

Large signal parameters

  • Maximum linear excursion (one way) xmax 7.3mm
  • Air volume displaced at xmax VD 105cm³
  • Power handling P 75W
  • Program power Pmax 150W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.3Ω
  • Inductance (1kHz) LE 0.418mH
  • VC Diameter 32.4mm

Magnet

  • Force factor Bl 8.71N/A
  • Motor constant Bl/√RE 3.47N/√W
  • Air gap height HAG 6mm
  • Material Ferrite

Diaphragm

  • Effective diameter 135mm
  • Effective area SD 143cm²
  • Moving mass MMS 18.8g
  • Moving mass (without air load) MMD 17.6g
  • Material Polypropylene

Suspensions

  • Stiffness KMS 2.7N/mm
  • Compliance CMS 370µm/N
  • Equivalent volume to the compliance VAS 10.6L
  • Mechanical resistance RMS 1.96N·s/m

Dimensions

  • Nominal diameter 6.5
  • 165mm
  • Volume occupied by the driver (estimated) 0.64L
  • Net weight 1.58kg
  • Frame material Cast Aluminium
Peerless HDS-P830874 SPL & Impedance
Peerless HDS-P830874 Dimensions

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