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