| Nominal Diameter | 460 mm (18 in) |
| Overall Diameter | 460 mm (18.11 in) |
| Bolt Circle Diameter | 440 mm (17.32 in) |
| Baffle Cutout Diameter | 422 mm (16.61 in) |
| Depth | 202 mm (7.95 in) |
| Flange and Gasket Thickness | 13.9 mm (0.55 in) |
| Net Weight | 6.1 Kg (13.4 lb) |
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 6.6 Ohm |
| Nominal Power Handling *** | 1000 W |
| Maximum Power Handling **** | 2000 W |
| Sensitivity (1W/1m) | 99 dB |
| Frequency Range | 38÷2500 Hz |
| Voice Coil Diameter | 100 mm (4 in) |
| Winding Material | Al |
| Former Material | Glass Fiber |
| Winding Depth | 23 mm (0.9 in) |
| Magnetic Gap Depth | 12 mm (0.47 in) |
| Flux Density | 1.3 T |
English
Boston JP-100-IV jack plate 

