Description
Cast aluminium basket design which minimises acoustic reflections inside the driver, through large basket windows and sculpted basket spokes.
The basket also is designed to act as a highly coupled heat sink to the Neodymium-Iron-Boron magnet (NdFeB) motor, so as to improve power handling capacity.
The cone is aluminium, with a butyl rubber surround designed through finite element analysis for linearity of performance.
Product Specification Sheet (.pdf) NE85W-04
| Code | NE85W-04 |
| Type | Full Range |
| Size | 2.5″ |
| Price Type | each |
| Power | 25Wrms |
| Coil | 25.7mmØ |
| Width | 85mm |
| QTY | 1 |
| Impedance | 4Ω (Re 3.7Ω) |
| Depth | 47mm |
| Mag. | 240g |
| Sens. | 84.81dB |
| Re | 3.7Ω |
| Qms | 8.45 |
| Qes | 0.69 |
| Qts | 0.64 |
| Vas | 0.73L |
| Zo | 4Ω (Re 3.7Ω) |
| Sd | 22.3cm² |
| Cms | 1.0662mm/N |
| Fs | 105Hz |
| Mms | 2.2g |
| Zn | 4Ω |
| Le | 0.06mH |
| Manufacturer | Vifa |
| Prms | 25W |
| Impedance (Ohm) | 4 ohm |
| Power (RMS) | 0-50 Watt |
| Inch | 2.5 |







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