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Soundsing Audio Manufacturing Co.,Ltd is one of the leading China 18" raw drivers manufacturers and suppliers, providing with loudspeaker wholesale, welcome to import high quality products from our factory.
SD-180056A , a 18” loudspeaker with dual dampers. Better to use it in a full range cabinets. It is a low mid raw driver for replacement of p audio type speakers. Have purple cone design also.
Concert Speaker Feature
Triple roll non press paper cone
Sensitivity 97db
4” voice coil
Sound Speaker General Specifications
Nominal Diameter: 476 mm/ 18 inch
Rated Impedance:8 OHM
Sensitivity: 97 dB
Frequency Range: 35 Hz –2000Hz
Peak Power: 1600 W
RMS Power: 800 W
Voice Coil Diameter: 99.3mm/ 4 inch
Voice Coil Material: Copper
Number of layers: Outside
Cone Material: Non Press Paper Cone
Surround Material: Polycotton
Surround Design: Triple– roll
Basket Materials: Aluminum
Magnet Materials: 123 oz Ceramic
speaker T/S Parameters
Resonance Frequency: 37HZ
Electrical Quality Factor: 0.446
Mechanical Quality Factor :9.015
Total Quality Factor: 0.425
Cone Area : 3365px²
Mechanical Mass :230.809g
BL: 25.168T.M.
Pro Audio Pa Speakers Mounting Information:
Overall Diameter: 476mm/18inch
Baffle Cutout Diameter: 450mm/17.71inch
Bolt Circle Diameter: 430mm/16.92 inch
Overall Depth: 222mm/ 8.74inch