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Epique E150HE-44 5-1/2" DVC MMAG Extended Range Subwoofer 4 Ohm per Coil

EPIQUE by Dayton Audio
Part #295-102

Epique E150HE-44 5-1/2" DVC MMAG Extended Range Subwoofer 4 Ohm per Coil

EPIQUE by Dayton Audio
Part #295-102  
Model: E150HE-4
Dayton Audio’s ground breaking Epique E150HE-44 5-1/2” with a carbon fiber cone and dual voice coils, introduces the world to a new class of speaker driver . . . an Extended Range Subwoofer (ERS). It was engineered to produce premium controlled subwoofer performance, while simultaneously achieving a smooth extended high frequency response. Thanks to its revolutionary MMAG dual gap motor, the motor force is nearly constant even when driven to the limits of its 14 mm Xmax. Capable of unheard-of excursion for its size while delivering smooth midrange response with low distortion, the E150HE-44 woofer gives you the opportunity to create systems that provide extraordinary accuracy and fidelity.
Key Features
  • Patented dual gap MMAG motor design allows exceptional linearity for minimal distortion
  • Lightweight damped carbon fiber cone delivers remarkably smooth response up to 45 degrees off axis
  • Incredibly linear 14 mm excursion to produce class leading low frequency extension and control
  • Extensive inductance control extends frequency response, lowers distortion, reduces compression, and increases power handling
  • Substantial venting keeps the voice coil cool to minimize power compression
  • Dual 4 ohm voice coils enable a variety wiring configurations and flexibility
  • Incredible versatility, premium performance as a subwoofer or woofer in 2-way designs
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MSRP: $199.99
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Overview

Epique E150HE-44 5-1/2" DVC MMAG Extended Range Subwoofer 4 Ohm per Coil

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
 

Frequency Response & Impedance Curve

This dual voice coil driver uses a patented MMAG dual gap motor assembly for unmatched linear excursion capability to create compact systems with more bass output and lower distortion than ever.

 

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.

 

High excursion requires flexible suspension

When designing the E150HE-44, Dayton Audio paid extra attention to optimize the suspension to guarantee unrestricted excursion without limiting performance. The large roll rubber surround was custom tooled for high excursion while paying extra attention to the profile to avoid limiting off axis dispersion. A filleted inside edge helps to add extra damping to the cone while reducing reflection from the high roll surround to further improve higher frequency response. A large diameter progressive spider helps keep the cone linear when driven to high excursion without restriction. In addition, the tinsel leads have been woven into the spider on opposing sides to keep mass and compliance displaced evenly across the spider.

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.

Cast aluminum frame holds everything together

In order to support its massive motor assembly while providing a solid mounting surface, the E150HE-44 uses a rugged cast aluminum frame. The minimalistic design of the frame eliminates unwanted reflections and provides ample airflow for the rear of the cone. With plenty of space behind the spider makes sure that you can push the limits of excursion without bottoming out. Being a non-magnetic material, the aluminum frame has no effect to the magnetic field allowing the motor to effortlessly perform exactly as designed. As an added bonus aluminum is an excellent conductor of heat to further assist in cooling.

No Replacement for Displacement

Thanks to the 14.7mm linear excursion of the E150HE-44, speaker designers can get incredible volume displacement out of a significantly smaller driver in significantly smaller boxes. This comes with a caveat, however; more displacement requires larger ports, which can become cumbersome to fit inside such small boxes.

To enable the highest quality builds, Dayton Audio has created high-performance passive radiators that retain the Epique family aesthetic. Eliminate the need for excessively large ports by using the Epique E150HE-PR and the E180HE-PR in your next Epique build!

 

We've Got Your Back

We stand behind our products and our warranty is a demonstration of our commitment to quality and reliability.

Learn More

Shop the Whole Epique Series

Capable of exceptional performance in everything from small subwoofers to 2-way designs, this series will redefine what is possible from compact speaker systems. From high-displacement subwoofer drivers to matching passive radiators, the Epique series of products gives you peak performance, with the aesthetics to match.

 
 

E150HE-PR

Nominal Diameter: 5-1/2"
Passive Radiator
Shop Now

E180HE-44

Nominal Diameter: 7"
Frequency Response: 25-3000HzShop Now

E180HE-PR

Nominal Diameter: 7"
Passive Radiator
Shop Now
 
Shop The Whole Epique Series
 

Don't Trust Us...Trust Our Customers

 

Exceptional near-field subwoofer

"I love the sound of small full rang speakers. You can build very complex contraptions to help them extend into the bass region, but I wanted it all - deep bass, impact, power handling, open baffle spaciousness and full range goodness. I crossed these over at 500 Hz with the tang band 4" full range on an open baffle and I am very satisfied. These are still breaking in now, but are sounding great! The face plate for this is glued to the front of a Denova 0.23 CF sealed cabinet stuffed with ~1/3 pounds of polyfil. DSP is handled with the MiniDSP 2x4HD. They aren't capable of high output at 20hz, but the math puts them at around 95dB theoretical max at 40 hz at 1 meter, which is more than enough to pound in-room in a nearfield listening arrangement. Applying a roll-off to your curve under 40Hz keeps the bass sounding full and tight, but lets you crank the volume up further"

- misterBill

 

Not Only Do Our Customers Love Us

Quickly becoming a customer favorite, the epique series has had critical acclaim from many. Not only do our customers love these but so does the industry at large.

"Given the overall design and build quality, this is a well-crafted product specifically intended for the compact two-channel, home theater, or studio monitor market." -Voice Coil Magazine
 
Read Full Review
 
 
 
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Product Details

BrandEPIQUE by Dayton Audio
ModelE150HE-4
Part Number295-102
UPC848864059402
Unit of MeasureEach
Weight8.1

Product Specifications

Nominal Diameter5-1/2"
Bolt Circle Diameter5.5
Power Handling (RMS)200 Watts
Power Handling (MAX)400 Watts
Impedance8Ω
Frequency Response30 to 4,000Hz
Sensitivity83.3dB 2.83V/1m
Voice Coil Diameter1.5"

Thiele-Small Parameters

Resonant Frequency (Fs)40Hz
DC Resistance (Re)6.6Ω
Voice Coil Inductance (Le)1.6mH
Mechanical Q (Qms)2.94
Electromagnetic Q (Qes)0.45
Total Q (Qts)0.39
Compliance Equivalent Volume (Vas)0.27ft³
Mechanical Compliance of Suspension (Cms)0.6mm/N
BL Product (BL)9.8T·m
Diaphragm Mass Inc. Airload (Mms)26.6g
Maximum Linear Excursion (Xmax)14.7mm
Surface Area of Cone (Sd)95cm²

Materials of Construction

Cone MaterialCarbon Fiber
Surround MaterialSantoprene®
Voice Coil Wire MaterialCCA
Voice Coil FormerAluminum
Basket / Frame MaterialCast Aluminum
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter6"
Baffle Cutout Diameter5"
Depth4.125"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.15ft³
Sealed F382.2Hz
Vented Volume0.22ft³
Vented F343Hz

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