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Epique E150HE-44 5-1/2" DVC MMAG Extended Range Subwoofer 4 Ohm per Coil
Like. No. Other
Combining world class performance with a reasonable cost, the Epique E150HE-44 5-1/2" carbon fiber cone woofer from Dayton Audio sets a new standard in versatility, distortion, and response for small speakers. Featuring a carbon fiber cone, dual voice coils, custom tooled suspension, FEA optimized motor, cast aluminum frame, ample venting, and extensive induction control, the E150HE-44 pushes the limits of performance for a 5-1/2" driver. Capable of exceptional performance in everything from small subwoofers to 2-way designs, this versatile driver will redefine what is possible from compact speaker systems.
Key Specs:
- Nominal Diameter: 5-1/2"
- Power Handling (RMS): 200 Watts
- Power Handling (MAX): 400 Watts
- Impedance: 4+4 Ω
- Frequency Response: 30 - 4000 Hz
- Sensitivity: 83.3 dB 2.83V/1m
- Voice Coil Diameter: 1.5"
- Maximum Linear Excursion: 14.7mm
MMAG Motor Assembly - Like No Other
MMAG = Multiple Magnet Air Gap
The heart of the E150HE-44 is the patented MMAG dual gap motor assembly. This unique design uses 2 top plates spaced between 6 smaller gap balancing magnets creating more dynamically stable magnetic gaps with more consistent flux than the more common dual gap arrangements. The combination of the MMAG motor and the underhung voice coil gives the E150HE-44 zero loss of motor force (Bl) even when driven to 10 mm of excursion, and an overall excursion capability of over 14 mm (at 70% Bl). This incredible excursion capability allows extremely low harmonic and intermodulation distortion to ensure remarkably clean output even when driven to high output levels. Furthermore, the motor includes a full length copper sleeve surrounding the pole which offers extensive induction control to lower Le and improve high frequency response, while simultaneously lowering distortion, reducing power compression, and increasing thermal power handling.
Carbon Fiber Is All About Performance
The rigid carbon fiber cone gives the E150HE-44 a unique look while offering a number of performance advantages. With one of the highest strength to weight ratios of readily available materials, carbon fiber keeps the moving mass to a minimum enabling extended low frequency extension without sacrificing efficiency. The woven cone has excellent damping properties which keeps unwanted resonances under control for incredibly smooth response all the way up to 4,000 Hz. Optimized cone and dustcap profiles make sure that there is no deformation when exposed to high stress so the smooth response and low distortion remains consistent even when pushed to high output levels. Finally, the outside edge of the cone has been reinforced to further control cone breakup and help maintain controlled off axis dispersion.
Extensive venting helps displace unwanted heat
Excess heat build up will increase resistance and cause significant power compression and even failure. The force air across the voice coil and keep everything cool the E150HE-44 has extensive cooling. Another advantage of this MMAG motor assembly is the open spaces between the bucking magnets which allow unrestricted airflow directly into the center of the magnetic gap. With this open layout cool air is pulled directly across the voice coil to remove heat more efficiently than more common motor designs. Also the E150HE-44 includes a vented voice coil former, 3 large peripheral gap vents, and unrestricted airflow under the spider to make sure that every component has fresh air moving across it to keep temperatures at a minimum even when pushed hard for long periods.
Gary Anderson
Reviewed in the United States on February 11, 2025
Great speaker!!! Sounds great. The woofer is very heavy.
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