| Nominal Diameter | 380 mm (15 in) |
| Overall Diameter | 393 mm (15.47 in) |
| Bolt Circle Diameter | 374 mm (14.72 in) |
| Baffle Cutout Diameter | 354 mm (13.94 in) |
| Depth | 181.3 mm (7.14 in) |
| Flange and Gasket Thickness | 13.7 mm (0.54 in) |
| Net Weight | 4.4 Kg (9.7 lb) |
| Minimum Impedance | 6 Ohm |
| Nominal Impedance | 8 Ohm |
| Nominal Power Handling *** | 500 W |
| Maximum Power Handling **** | 1000 W |
| Sensitivity (1W/1m) | 98 dB |
| Frequency Range | 35÷3150 Hz |
| Voice Coil Diameter | 77 mm (3 in) |
| Winding Material | Cu |
| Former Material | Glass Fiber |
| Winding Depth | 22 mm (0.87 in) |
| Magnetic Gap Depth | 10.5 mm (0.41 in) |
| Flux Density | 1.2 T |
English
Boston JP-100-IV jack plate 

