SPECIFICATION:

MODEL:TRF SW1545 D0.5

Size: 15nch

Cone: Competition Grade paper

Surround material: Foam with FABRIC

Voice coil made : MADE IN USA

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 :2pcs x 4layers

RMS Power: 4500wrms

MAX Watt: 9000wmax

Sensitivity:87.3dB

Resonance frequency(f0):37.6Hz

Mechanical Q factor(Qms):6.65

Electrical Q factor(Qes):0.42

Total Q factor:(Qts):0.39

Xmax: 27mm

Force factor: N/A

Magnet Weight:400 Oz

Net weight: 33kg

Basket:Die cast Alumium

Magnet: Ferrite

Magnet dimension:Φ250*20mm X 3PCS

1=Outer Dimension: 392mm - 15.4"

2=Mounting Depth: 280mm - 11"

3=Magnet Dimension: 260mm - 10.2"

4=Mounting Hole Dimension: 363mm - 14.3"