SD15-115A is a high sensitivity mid bass speaker. Light and deep cone make this speaker with more mid range frequency. It is quite suitable for indoor two way system.

Speakers Feature

 High quality 3” copper wire voice coil

Aluminum basket

Specifications
Nominal Diameter: 390mm/ 15 inch
Rated Impedance: 8 OHM

Sensitivity: 97 dB

Frequency Range: 40 Hz –3600Hz

Peak Power: 450 W

RMS Power: 900 W
Voice Coil Diameter: 75mm/ 3 inch

Voice Coil Material: Copper
Number of layers: Outside
Cone Material:  Paper Cone
Surround Material: Cloth
Surround Design: Triple roll

Basket Materials: Aluminum

Magnet Materials:  97.2Oz Ferrite  

T/S Parameters

Resonance Frequency:  40Hz

Electrical Quality Factor (Qes):  0.651

Mechanical Quality Factor (Qms): 7.363

Total Quality Factor (Qts): 0.598

Cone Area (Sd) :       3630.5px²

Mechanical Mass (Mms) : 192.339g

BL: 19.689T.M.      

Mounting Information:

Overall Diameter:390mm/15inch

Baffle Cutout Diameter: 352mm/13.85 inch

Bolt Circle Diameter: 370mm/14.56inch
Overall Depth: 180mm/ 7.09 inch