SPECIFICATION:
MODEL:TRF SW2165PC D0.5
Size: 21nch
Cone: Competition Grade paper
Surround material: Foam
Voice coil made : MADE IN USA or MADE IN GREECE
Voice coil dimension : 4.0inch
Voice coil layer: 8layer
Dust cap : Carbon FROM MADE IN EUROPE
Nominal impedance:dual 0.5ohm
Voice coil wire:aluminium
Spider dimension : 4''ID / 10''OD
Spider material : NOMEX
Spider layers :5pcs x 2layers
RMS Power: 6.500wrms
RMS Program: 18.000wrms
MAX Watt: 12.000wmax
Sensitivity: 95dB
Vas: 250 L
Resonance frequency(fs): 35Hz
Frequency range:35-100Hz
Mechanical Q factor(Qms):
Electrical Q factor(Qes):
Total Q factor:(Qts):
Xmax: 40mm
Force factor: N/A
Net weight: 46kg
Basket:Die cast Alumium
Magnet: Ferrite
Magnet:Ferrite ''high performance magnet''
Magnet dimension:Φ280*25mm X 3PCS
1=Outer Dimension: 550mm
2=Mounting Depth: 330mm
3=Magnet Dimension: 280mm
4=Mounting Hole Dimension:500mm