Model: TRF SW1545 D0.5

Size: 15 inch

Cone: Competition Grade Paper

Surround Material: Foam with Weaving

Voice Coil: MADE IN USA

Voice Coil Diameter: 4.0 inch

Voice Coil Layers: 8 layers

Dust Cap: Carbon FROM MADE IN EUROPE

Nominal Resistance: dual 0.5 ohm

Voice Coil Wire: aluminum

Spider Size: 4''ID / 10''OD

Spider Material: NOMEX

Spider Layers: 2 pieces x 4 layers

RMS Capability: 4500 wrms

Maximum Capability: 9000 wmax

Sensor: 87.3 dB

Resonant Frequency (f0): 37.6 Hz

Mechanical Q Factor (Qms): 6.65

Electrical Q Factor (Qes): 0.42

Total Q Factor (Qts): 0.39

Xmax: 27 mm

Magnet Weight: 400 Oz

Net Weight: 33 kg

Basket: Die cast Aluminum

Magnet: Ferrite

Magnet Size: Ф250*20mm X 3PCS

• External Diameter: 392 mm - 15.4"
• Mounting Depth: 280 mm - 11"
• Magnet Size: 260 mm - 10.2"
• Mounting Hole Size: 363 mm - 14.3"