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Soundsing Audio Manufacturing Co.,Ltd is one of the leading China 18" coaxial speaker manufacturers and suppliers, providing with 18" full range raw speaker wholesale, welcome to import high quality products from our factory.
SD-180031A , a 18” ferrite magnet coaxial speaker. It is 4”voice coil bass with 3” voice coil compression driver to afford high power. Inside with aluminum horn design has better mid high sound.
Coaxial Speakers Feature
4" coil for low frequency transducer,3" coil compression driver
Frequency response 40hz-2.5khz, 1khz-16khz
Pro Audio Coaxial Speakers Specifications
Nominal Diameter: 461 mm/ 18 inch
Rated Impedance:8 OHM
Sensitivity: 98 dB/104 dB
Frequency Range: 40 Hz –2500Hz/1Khz-16Khz
Peak Power: 1600 W/2000W
RMS Power: 800 W/100W
Voice Coil Diameter: 99.2mm/ 4 inch 72.2mm/3 inch
Voice Coil Material: Copper/CCAR
Number of layers: Outside
Cone Material: Paper Cone
Surround Material: Polycotton
Surround Design: Four– roll
Basket Materials: Aluminum
Magnet Materials: 123OZ+58.7OZ Ferrite
Professional Coaxial Speakers T/S Parameters
Resonance Frequency: 40HZ
Electrical Quality Factor: 0.399
Mechanical Quality Factor: 6.969
Total Quality Factor: 0.378
Cone Area : 133.317cm²
Mechanical Mass :99.085g
BL: 18.734T.M.
Coaxial Speaker Drivers Mounting Information:
Overall Diameter: 461mm/18inch
Baffle Cutout Diameter: 438mm/17.24 inch
Bolt Circle Diameter: 421mm/16.57 inch
Overall Depth: 263mm/ 10.35 inch