15 PT 500 MB is a very efficient speaker which can handle nominal power of 500 W AES with voice coil of 77 mm (3.03 in).
It reproduces Mid and Bass in a balanced way and has high sensivity. Its unique ventilation system helps in cooling of voice coil effectively. It is suitable for Vented / Bass reflex Enclosure.
| Key Features | |
| Program Power | 1000 W | 
| Voice Coil | 77 mm (3.03 in) | 
| Response | 50-3000 Hz | 
| Sensitivity 1W/1M | 97 db | 
| Nominal Diameter | 388 mm | 
| Nominal Impedance | 8Ω | 
| Nominal Power Handling(AES) | 500 W | 
| Program Power | 1000w | 
| Sensitivity (1W/1m) | 97db | 
| Frequency Range | 50-3000 Hz | 
| Magnet Material | Ferrite | 
| Voice Coil Diameter | 77 mm (3.03 in) | 
| Winding Material | COPPER | 
| Former Material | GLASS FIBRE | 
| Winding Type | OUTSIDE | 
| Resonant Frequency | FS | 51 Hz | 
| DC Resistance | Re | 5.7 Ω | 
| Electrical Q | Qes | 0.42 | 
| Mechanical Q | Qms | 9.81 | 
| Total Q | Qts | 0.40 | 
| Compliance Equivalent Volume | vas | 113.29 Ltrs | 
| Peak Diaphragm Displacement Volume | Vd | 0.41 Ltrs | 
| Effective Surface Area of Cone | Sd | 907.92 cm^2 | 
| Reference Efficiency | ƞo | 3.50% | 
| Moving Mass including air load | Mms | 98.40 gms | 
| Motor Strength | Bl | 20.75 T-m | 
| Voice Coil Inductance @ 1 KHz | Le | 0.57 mH | 
| Efficiency Bandwith Product | EBP | 121 Hz | 
| Voice Coil Overhang | Xmax | ± 4.5 mm | 
| Overall Diameter | 388 mm | 
| Bolt Circle Diameter | 373 mm | 
| Baffle Cutout Diameter | 358 mm | 
| Depth | 150 mm | 
| Flange and Gasket Thickness | 13 mm | 
| Gross Weight | 11.32 Kgs | 
| Recone Kit Number | REC15PT500MB |