




Morel Ultimo Pro 104D 10 Inch 4 Ohm Subwoofer 900w RMS
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MOREL ULTIMO PRO 104D 10 INCH DUAL 4 OHM SUBWOOFER 900W RMS
The Ultimo Pro continues the legacy of Morel’s renowned Ultimo subwoofers, once again setting a new standard for car audio bass reproduction. This latest generation is true audiophile lover’s dream, delivering controlled, musical bass with minimal distortion and extraordinary output, making it the ultimate choice for those who demand excellence.
Developed with an entirely new perspective, the Ultimo Pro mirrors the precision of its predecessor while improving the dynamics and output with a 35% increase in excursion. This is due to the more powerful motor and newly engineered double suspension system that enhances its linearity and control, providing superior responsiveness at any volume level.
Designed for use in both sealed and ported enclosures, the Ultimo Pro offers powerful, accurate bass with tight control—ensuring that low frequencies are reproduced with exceptional detail and musicality.
Features
- Massive 5.1” External Voice Coil (EVC) featuring dual 4 ohm windings
- High excursion, high power handling design for exceptional output
- Copper sleeve and powerful motor provide ultra-high resolution performance
- All new carbon fiber/cellular fiber sandwich cone provides 200% better rigidity and superior damping, providing unbelievable accuracy and detail at all volumes
- Split double suspension enhances linearity and control, lowering distortion and improving accuracy
- Field serviceable design
- Engineered for optimal performance in both compact sealed and vented enclosures
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Specification
| Overall Dimensions | 10” |
|---|---|
| Power Handling | Wrms 900 |
| Max. Trans. Pwr Handling Wrms | 2500 |
| Sensitivity | (1W/1M) dB 83 |
| Frequency response | Hz 10-500 |
| Resonance Freq. Fs Hz | 34.7 |
| Voice Coil | Diameter mm (inch) 130 (5.1) |
| Voice Coil | Height mm (inch) 41 (1.6) |
| Voice Coil | Type/ Former Aluminum |
| Voice Coil | Wire Hexatech Aluminum |
| DC Resistance (ohm) * VC in parallel | 2.0 (2 x 4ohm) |
| Voice Coil | Induct. @1 kHz (mH) 0.26 (2 x 3.8ohm) |
| Magnet | System Copper Sleeve Ferrite |
| HE-Magnetic Gap Height mm (inch) | 12 (0.47) |
| BL Product/BXL | 12.1 |
| Max. Linear Ex./Xmax mm (inch) | ±14.5mm (0.6) |
| Electrical Q actor QES | 0.60 |
| QTS | 0.49 |
| QMS | 2.64 |
| Moving Mass MMS - gr/os | 196.2 (6.9) |
| Equiv. Can Air Load VAS - L (cu.ft) | 18.2 (0.64) |
| Cone | Type Multi-Layer |
| Cone | Material Paper + Carbon Fiber |
| Unit Diameter mm(inch) | 263 (10.35) |
| Mounting Depth | mm (inch) 134 (5.27) |
| Mounting Cutout | 232 (9.13) |
More specs
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What's Included
- ULTIMO PRO 104D
Morel
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