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Features
- Xmax = 14mm one-way by 70% BL
- RMS Power = 500-watts (300-watts 8”)
- Vented magnetic gap
- Vented pole piece with optimized geometry (solid pole for 8”)
- Black Aluminum 2.5” voice coil former for superior heat dissipation (2” coil for 8”)
- High Temperature 4-Layer copper voice coil wire
- Spring Loaded Terminals
- Stitched-On “Mini-XL” Tinsel Leads to prevent fatigue and failure
- Bolted-on Spider Pack
- Bolt-through motor design to ensure maximum longevity and ruggedness against mechanical failures
- High strength stamped steel frame
- Optimized for ported enclosures
| T/S SPECS | Ev4 10″ D2 | Ev4 10″ D4 |
| RE (Ohms) | 4.0 | 6.1 |
| FS (Hz) | 32.2 | 33.5 |
| VAS (L) | 19.4 | 18.8 |
| Qes | 0.38 | 0.43 |
| Qms | 4.76 | 4.39 |
| Qts | 0.35 | 0.39 |
| Le (mH) | 2.55 | 3.59 |
| BL (NA) | 20.2 | 23.5 |
| Mms (Grams) | 192.0 | 183.7 |
| Cms (uM/N) | 0.13 | 0.12 |
| Sens (dB @ 1w/1m) | 84.2 | 84.0 |
| Sealed Enclosure | 0.5 cu ft |
| Ported Enclosure | 1.0 cu ft |
| Recommended Tuning | 32Hz |
| Recommended Port Area | 16 sq in |
| Displacement | 0.11 cu ft |
| Depth | 5.625″ |
| Outside Diameter | 10″ |
| Cut-Out | 8.875″ |
| T/S SPECS | Ev4 10″ D2 | Ev4 10″ D4 |
| RE (Ohms) | 4.0 | 6.1 |
| FS (Hz) | 32.2 | 33.5 |
| VAS (L) | 19.4 | 18.8 |
| Qes | 0.38 | 0.43 |
| Qms | 4.76 | 4.39 |
| Qts | 0.35 | 0.39 |
| Le (mH) | 2.55 | 3.59 |
| BL (NA) | 20.2 | 23.5 |
| Mms (Grams) | 192.0 | 183.7 |
| Cms (uM/N) | 0.13 | 0.12 |
| Sens (dB @ 1w/1m) | 84.2 | 84.0 |
| Sealed Enclosure | 0.5 cu ft |
| Ported Enclosure | 1.0 cu ft |
| Recommended Tuning | 32Hz |
| Recommended Port Area | 16 sq in |
| Displacement | 0.11 cu ft |
| Depth | 5.625″ |
| Outside Diameter | 10″ |
| Cut-Out | 8.875″ |
Sundown Audio Ev4 10" Enclosure Design