LaVoce NBASS08-20-32

2Ω8Ω
32Ω

Woofer

Nominal diameter8″ / 200 mm
Resonance57 Hz
Q factor0.67
Sensitivity89.7 dB
Linear excursion± 6.4 mm
Program Power400 W
LaVoce NBASS08-20-32 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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 89.7dB
  • Frequency response 55 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 57Hz
  • Mechanical quality factor QMS 7.93
  • Electrical quality factor QES 0.73
  • Total quality factor QTS 0.67

Large signal parameters

  • Maximum linear excursion (one way) xmax 6.4mm
  • Maximum excursion before damage xlim 10.5mm
  • Air volume displaced at xmax VD 151cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 32Ω
  • DC resistance RE 25.8Ω
  • Inductance (1kHz) LE 0.27mH
  • VC Diameter 51mm
  • Winding height HVC 16.8mm
  • Winding material Copper
  • Former material Glass fiber

Magnet

  • Force factor Bl 19.3N/A
  • Motor constant Bl/√RE 3.79N/√W
  • Air gap height HAG 8.2mm
  • Diameter 50mm
  • Height 9mm
  • Material Neodymium

Diaphragm

  • Effective diameter 173mm
  • Effective area SD 235cm²
  • Moving mass MMS 29.4g
  • Moving mass (without air load) MMD 26.9g
  • Material Water proof treated paper

Suspensions

  • Stiffness KMS 3.77N/mm
  • Compliance CMS 265µm/N
  • Equivalent volume to the compliance VAS 20.7L
  • Mechanical resistance RMS 1.33N·s/m
  • Surround material Rubber

Dimensions

  • Nominal diameter 8″
  • 200mm
  • Volume occupied by the driver 0.5L
  • Frame material Steel
SPL & Impedance
LaVoce NBASS08-20-32 SPL & Impedance
LaVoce NBASS08-20-32 Dimensions
PDF fileDatasheet

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