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- Eminence SIGMA Pro-18A-2 - 8 ohm - Woofer
Eminence SIGMA Pro-18A-2 - 8 ohm - Woofer
- Details
- Additional Information
Recommended for professional audio as a woofer in vented enclosures.
Specifications | |
| Nominal Diameter | 18", 457.2mm |
| Nominal Impedance | 8 ohms |
| Power | 650w rms, 1300w program |
| Freq. Response | 41.0 Hz-2.4 kHz |
| Sensitivity | 99.0 db 1w/1m |
| Magnet Weight | 120.0 oz, 3402 grams |
| Gap Height | 0.375", 9.53mm |
| Voice Coil Diameter | 3", 76.2mm |
Mounting Information | |
| Recommended Enclosure Volume | |
| Sealed | Not Applicable |
| Vented | 93.0-212.0 L, 3.3-7.5 cuft |
| Overall Diameter | 18.0", 457.2mm |
| Baffle Hole Diameter | 16.56", 420.5mm |
| Number of Mounting Holes | 8 |
| Mounting Hole Diameter | 0.28", 7.1mm |
| Mounting BCD | 17.25", 438.2mm |
| Depth | 8.15", 207.0 mm |
| Net Weight | 24.5 lbs, 11.1 kg |
| Shipping Weight | 28.1 lbs, 12.8 kg |
T/S Parameters | |
| Fs | 28.0 Hz |
| Re | 6.29 ohms |
| Le | 1.90 mH |
| Qms | 8.28 |
| Qes | 0.30 |
| Qts | 0.29 |
| Vas | 441.2 L, 15.6 cuft |
| Vd | 695 cc |
| Cms | 0.24 mm/N |
| BL | 22.1 Tm |
| Mms | 130.0 grams |
| EBP | 93.0 |
| Xmax | 6.1 mm |
| Sd | 1140.0 cm2 |
| Xlim | 18.0 mm |
Construction | |
| Copper voice coil on polyimide voice coil former | |
| Ferrite magnet with vented and extended core | |
| Die-cast aluminum basket | |
| Paper cone with cloth accordion edge | |
| Solid composition paper dust cap | |
