LaVoce NBASS08-20-2

2Ω

Woofer

Nominal diameter	8″ / 200 mm
Resonance	50 Hz
Q factor	0.41
Sensitivity	88.9 dB
Linear excursion	± 6.7 mm
Program Power	400 W

LaVoce NBASS08-20-2 Woofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 88.9dB
Frequency response 55 - 4000Hz

Thiele & Small parameters

Resonance frequency (free air) fS 50Hz
Mechanical quality factor QMS 7.50
Electrical quality factor QES 0.43
Total quality factor QTS 0.41

Large signal parameters

Maximum linear excursion (one way) xmax 6.7mm
Maximum excursion before damage xlim 10.9mm
Air volume displaced at xmax VD 158cm³
Power handling P 200W
Program power Pmax 400W

Voice Coil

Nominal impedance Z 2Ω
DC resistance RE 1.8Ω
Inductance (1kHz) LE 0.08mH
VC Diameter 51mm
Winding height HVC 17.5mm
Winding material Copper
Former material Glass fiber

Magnet

Force factor Bl 7.7N/A
Motor constant Bl/√RE 5.74N/√W
Air gap height HAG 8.2mm
Diameter 50mm
Height 9mm
Material Neodymium

Diaphragm

Effective diameter 173mm
Effective area SD 235cm²
Moving mass MMS 44.9g
Moving mass (without air load) MMD 42.4g
Material Water proof treated paper

Suspensions

Stiffness KMS 4.35N/mm
Compliance CMS 230µm/N
Equivalent volume to the compliance VAS 17.6L
Mechanical resistance RMS 1.88N·s/m
Surround material Rubber

Dimensions

Nominal diameter 8″
200mm
Volume occupied by the driver 0.5L
Frame material Steel

LaVoce NBASS08-20-2 SPL & Impedance

LaVoce NBASS08-20-2 Dimensions

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