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SD18X400 is a rcf kind speaker. Dual dampers, 4” inside and outside voice coil, thick washer and T-yoke, it is suitable to use for one way and two way speaker system.
Powered Sound Speaker Feature
Stand 1000W RMS power
Thick front late and back plate
Dual silicone dampers
Pa Audio Speaker General Specifications
Nominal Diameter: 465 mm/ 18 inch
Rated Impedance:8 OHM
Sensitivity: 95 dB
Frequency Range: 35 Hz - 1500 Hz
Peak Power: 1000 W
RMS Power::200 W
Voice Coil Diameter: 100mm/ 4 inch
Voice Coil Material: Copper
Number of layers: Inside/ Outside
Cone Material: No pressed pulp
Surround Material: Polycotton
Surround Design: Triple– roll
Basket Materials: Aluminum
Magnet Materials: 123 oz Ceramic
1000Watt Speaker T/S Parameters
Resonance Frequency: 35HZ
Qes: 0.370
Qms: 6.536
Qts: 0.350
Sd: 133.317 cm²
Mms: 230.809g
BL Strength Factor: 25.103T.M.
Mounting Information:
Overall Diameter: 465mm/18inch
Baffle Cutout Diameter: 445mm/17.52inch
Bolt Circle Diameter: 4255mm/16.73 inch
Overall Depth: 48mm/ 1.89inch
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