Model: TRF SPL SW2165CC D1

Size: 21 inch

Cone: Carbon

Surround Material: Foam

Voice Coil Dimensions: 4.0 inch

Voice Coil Winding: 8 layers

Dust Cap: Carbon

Nominal Impedance: Dual 1 ohm

Voice Coil Wire: Aluminum

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

Spider Material: NOMEX

Spider Layers: 5 pcs x 2 layers

RMS Capability: 6,500 wrms

RMS Program: 18,000 wrms

Maximum Capability: 12,000 wmax

Sensitivity: 94 dB

Vas: 250 L

Resonance Frequency (fs): 35 Hz

Frequency Range: 35-100 Hz

Mechanical Q Factor (Qms):

Electrical Q Factor (Qes):

Total Q Factor (Qts):

Xmax: 40 mm

Power Factor: N/A

Net Weight: 46 kg

Basket: Aluminum die cast

Magnet: Ferrite

Magnet: "High Performance" ferrite

Magnet Dimensions: Φ280*25 mm x 3 pcs

Overall Dimensions: 550 mm

Mounting Depth: 330 mm

Magnet Dimensions: 280 mm

Mounting Hole Dimensions: 500 mm