Model: TRF SW1245 D1

Dimensions: 12 inches

Cone: Competition Level Paper

Surround Material: Foam with Fabric

Voice Coil: MADE IN THE USA

Voice Coil Size: 4.0 inches

Voice Coil Layers: 8

Dust Cap: Carbon MADE IN EUROPE

Nominal Impedance: dual 1Ω

Voice Coil Wire: Aluminum

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

Spider Material: NOMEX

Spider Layers: 2 pieces x 4 layers

RMS Capability: 4500w RMS

Max Capability: 9000w MAX

Sensitivity: 86.7dB

Resonance Frequency (f0): 40.6 Hz

Mechanical Q Factor (Qms): 6.24

Electrical Q Factor (Qes): 0.40

Total Q Factor (Qts): 0.38

Xmax: 27mm

Power Factor: N/A

Magnet Weight: 400 Oz

Net Weight: 32kg

Basket: Stainless Aluminum

Magnet: Ferrite

Magnet Size: Ф250*20mm x 3PCS

• Outer Dimension: 311mm / 12.2"
• Mounting Depth: 240mm / 9.45"
• Magnet Size: 260mm / 10.2"
• Mounting Hole Size: 283mm / 11.1"