Ciare PW388

Woofer

Nominal diameter15″ / 380 mm
Resonance35 Hz
Q factor0.38
Sensitivity96.6 dB
Linear excursion± 2 mm
Program Power500 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 96.6dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 35Hz
  • Mechanical quality factor QMS 17.15
  • Electrical quality factor QES 0.39
  • Total quality factor QTS 0.38

Large signal parameters

  • Maximum linear excursion xmax 2mm
  • Air volume displaced at xmax VD 170cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.2Ω
  • Inductance (1kHz) LE 0.91mH
  • VC Diameter 64mm
  • Former material Kapton

Magnet

  • Force factor Bl 16.2N/A
  • Motor constant Bl/√RE 6.52N/√W
  • Air gap height HAG 7mm
  • Material Ferrite

Diaphragm

  • Effective diameter 330mm
  • Effective area SD 851cm²
  • Moving mass MMS 74.7g
  • Moving mass (without air load) MMD 57.6g

Suspensions

  • Stiffness KMS 3.7N/mm
  • Compliance CMS 270µm/N
  • Equivalent volume to the compliance VAS 277L
  • Mechanical resistance RMS 0.96N·s/m
  • Surround material Nomex

Dimensions

  • Nominal diameter 15
  • 380mm
  • Overall diameter 383mm
  • Baffle cutout diameter 350mm
  • Overall depth 149mm
  • Flange thickness 8mm
  • Mounting depth 141mm
  • Volume occupied by the driver (estimated) 3.4L
  • Frame material Steel
Ciare PW388 SPL & Impedance
Ciare PW388 Dimensions

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