REDCATT 8FIND

Mid Bass

Nominal diameter8″ / 210 mm
Resonance70 Hz
Q factor0.25
Sensitivity95.5 dB
Linear excursion± 4.7 mm
Program Power400 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 95.5dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 70Hz
  • Mechanical quality factor QMS 6.40
  • Electrical quality factor QES 0.25
  • Total quality factor QTS 0.25

Large signal parameters

  • Maximum linear excursion (one way) xmax 4.7mm
  • Air volume displaced at xmax VD 107cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.7Ω
  • Inductance (1kHz) LE 0.48mH
  • VC Diameter 50.8mm
  • Winding height HVC 12.4mm
  • Winding material Copper Clad Aluminium
  • Former material kapton

Magnet

  • Force factor Bl 14.3N/A
  • Motor constant Bl/√RE 5.99N/√W
  • Air gap height HAG 8mm
  • Material Ferrite

Diaphragm

  • Effective diameter 170mm
  • Effective area SD 227cm²
  • Moving mass MMS 20.7g
  • Moving mass (without air load) MMD 18.2g
  • Material Paper

Suspensions

  • Stiffness KMS 3.94N/mm
  • Compliance CMS 254µm/N
  • Equivalent volume to the compliance VAS 18.2L
  • Mechanical resistance RMS 1.42N·s/m
  • Surround material Fabric
  • Spider material Nomex

Dimensions

  • Nominal diameter 8
  • 210mm
  • Overall diameter 210mm
  • Baffle cutout diameter 185mm
  • Mounting depth 92mm
  • Volume occupied by the driver (estimated) 1.6L
  • Net weight 3.73kg
REDCATT 8FIND SPL & Impedance
REDCATT 8FIND Dimensions

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