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Definitive Technology Mythos ST SuperTower® Floor-standing speaker with built-in powered subwoofer

Item # 735MYTHST

Near the top of the cabinet are two 5-1/4" midranges flanking a 1" dome tweeter, all acoustically...

Near the top of the cabinet are two 5-1/4" midranges flanking a 1" dome tweeter, all acoustically...

1 question - 1 answer

Item # 735MYTHST

About the Definitive Technology Mythos ST SuperTower®

Kristen Schaub

Contemporary looks and high-performance sound for serious listeners

Near the top of the cabinet are two 5-1/4" midranges flanking a 1" dome tweeter, all acoustically isolated in their own sub-enclosure to prevent interference from the bass drivers. Each midrange features Definitive's Balanced Dual Surround System (BDSS) technology, which employs rubber surrounds on both the outer and inner edges of each speaker cone, for more stable, precise motion, resulting in exceptional clarity. The pure aluminum dome tweeter has a special ceramic coating, so you'll hear every subtle sonic detail without the edginess of lesser tweeters.

Contemporary looks and high-performance sound for serious listeners

The Mythos ST SuperTower combines stunning cosmetics with impressive, high-end sonic performance. It features a sleek aluminum cabinet and many of Definitive's most advanced components and technologies. But what really sets the Mythos ST apart from typical speakers is the SuperCube® powered subwoofer built right into the cabinet. It allows this speaker to generate startlingly deep bass, for big home theater sound. In fact, Home Theater magazine's Darryl Wilkinson wrote, "You'd have to spend gobs more money to get anything else that offers this combination of performance and beauty. The Mythos STs are an audiophile's speaker wrapped in an interior designer's cabinet that sells for much less than you'd expect to pay for either."

Cutaway

High-tech components and design for exceptionally detailed sound

Subwoofer

Closeup of the subwoofer.

Woofer

Closeup of the midrange.

Near the top of the cabinet are two 5-1/4" midranges flanking a 1" dome tweeter, all acoustically isolated in their own sub-enclosure to prevent interference from the bass drivers. Each midrange features Definitive's Balanced Dual Surround System (BDSS) technology, which employs rubber surrounds on both the outer and inner edges of each speaker cone, for more stable, precise motion, resulting in exceptional clarity. The pure aluminum dome tweeter has a special ceramic coating, so you'll hear every subtle sonic detail without the edginess of lesser tweeters.

Powerful bass built right into the cabinet

The lower section of the cabinet holds a 6" x 10" racetrack-shaped woofer reinforced by two bass radiators. This combination creates a total surface area that's actually greater than that of a traditional 15" woofer, but the three-driver approach provides better low-frequency control, speed, and detail. A built-in 300-watt amplifier powers the subwoofer, delivering massive bass that eliminates the need for an external sub. Aside from saving you some floor space, the built-in subwoofer ensures balanced system sound because the bass is already perfectly blended with the mids and the highs. The subwoofer also has an adjustable volume control so you can fine-tune the bass to suit your room or taste.


Granite bass

Each speaker has an aluminum cabinet and a polished granite base.

Gorgeous aircraft-grade aluminum cabinet

Definitive took a step away from the traditional look of boxy floor-standing speakers, and designed the Mythos ST's slim, curved cabinet using contemporary design principles. The enclosure is made of black hand-polished aluminum, and rests on a polished granite base to ensure total rigidity and stability. Hooking up the Mythos ST is as simple as running one set of speaker wires from your amplifier or receiver to the speaker.

Build a complete home theater system using perfectly matched Definitive Technology center and surround speakers. The Mythos ST pairs well with Definitive's Mythos Ten center channel and Gem XL surrounds.


BDSS driver

Got wire?

Most speakers don't include any. Learn about choosing and installing speaker wire at the Crutchfield Learning Center.
Shop our selection of speaker wire.

Did you know?
Your new speakers will probably sound better after several weeks of use than they do right out of the box. That's because the material surrounding the woofers will loosen up, allowing the drivers to move more fully. Definitive Technology estimates a break-in period of 24 to 48 hours of playback before the speakers will deliver optimum sound quality. For more information and helpful tips, check out this article from Definitive's website about conditioning your speakers.


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Product highlights:

  • frequency response 14-30,000 Hz
  • sensitivity 93 dB
  • 8-ohm impedance
  • handles up to 350 watts
  • one 1" pure aluminum dome tweeter
  • two 5-1/4" BDSS midrange drivers
  • one 6" x 10" long-throw racetrack subwoofer reinforced by two 6" x 10" racetrack bass radiators
  • built-in 300-watt subwoofer amplifier with adjustable volume control
  • subwoofer auto on/off
  • one pair of 5-way binding posts
  • line-level LFE input (optional connection for use with receivers with LFE output)
  • aircraft grade extruded aluminum cabinet and granite base
  • gloss black finish
  • 10-foot AC power cord for built-in subwoofer
  • 11-9/16"W x 51-1/8"H x 15-9/16"D
  • warranty: 5 years for speakers, 3 years for amplifier
  • MFR # VDUB

What's in the box:

  • Tower speaker with built-in powered subwoofer
  • Removable cloth grille (installed)
  • Granite base
  • 10' AC power cord
  • 5 Spiked-feet
  • 5 Plastic feet
  • 4 Mounting bolts
  • 8 Flat washers
  • Allen wrench
  • Self-adhesive wire-clip
  • Owner's Manual
  • Online Product Registration card

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More details on the Definitive Technology Mythos ST SuperTower®

Stacey B.

Features & specs

General
Enclosure Acoustic Suspension
Finish Aluminum
Color Gloss black
Tweeter Dome
Tweeter Size (inches) 1
Midrange Size (inches) 5.25
Woofer Size (inches) 6 x 10
Woofer Composition Polymer
Woofer Surround Rubber
Built-in Powered Sub Yes
Dolby Atmos Drivers
Connector Type 5-way post/RCA
Bi-amp Inputs No
Parts Warranty 5 Years
Labor Warranty 5 Years
Specifications
Power Range 20-350
Frequency Response 14-30k Hz
Sensitivity 93 dB
Impedance (Ohms) 8
Subwoofer Amp Power 300
Height (inches) 51-1/8
Width (inches) 11-9/16
Depth (inches) 15-9/16
Weight 80 lbs

Product Research

Overview: The Definitive Technology Mythos ST SuperTower is a tower loudspeaker with a built-in powered subwoofer. The Mythos ST SuperTower design offers a truly full-range loudspeaker that combines the accuracy, imaging, and detail retrieval of a monitor speaker with the depth, dynamics, and bass output a separate powered subwoofer into one visually attractive, small-footprint enclosure. The Definitive Technology Mythos ST SuperTower utilizes a 1-inch pure aluminum dome for extended highs and two 5-1/4 inch high-definition cast-magnesium basket midranges for smooth sounding vocals. The Mythos ST SuperTower also features a "racetrack" shaped carbon fiber active driver powered by a built-in 300-watt Class-D amplifier and pressure-coupled to two "racetrack" shaped low-bass radiators equal to the surface area and bass output of a 15-inch woofer but with far greater control, definition and speed; eliminating the need for a separate subwoofer. The ST SuperTower features a and-polished gloss aircraft-grade extruded aluminum enclosure with proprietary damping technologies and polished granite base to ensure total rigidity and stability. The Mythos ST SuperTower has been engineered for music listening and home theater enjoyment.

Driver Technology
Built-in Powered Sub
Enclosure Design
Connections
Mounting Options

Driver Technology

BDSS Technology: Definitive Technology's Balanced Double Surround System (BDSS) driver offers a wide-bandwidth accurate frequency response, broad dispersion, low distortion, and detail retrieval; so you hear more the music with greater accuracy and enjoyment. BDSS drivers incorporate the following design features.

  • Balanced Double Surrounds: The speaker's balanced double surrounds support the cone at two points to provide better mechanical stability for longer, more linear excursion, and improved damping to suppress parasitic cone resonance.
  • Mineral-Filled Polymer Cone: The loudspeaker features a deeply drawn mineral-filled polymer cone engineered using sophisticated 3D modeling techniques for wide range performance.
  • Waveguide: The cone's integrated waveguide smoothes off-axis response for broad, even dispersion and better imaging.
  • High Temperature Voice Coil: The driver's high temperature, oversized, lightweight vented voice coil offers improved power handling and quick transient response. The voice coil is also lengthened to increase linearity and lower distortion.
  • Magnet Structure: The driver's magnetic system is optimized by finite element analysis to maximize magnetic flux in the gap for high efficiency and linear excursion.
  • Die-Cast Alloy Basket: The die-cast alloy basket minimizes ringing and vibration while the open area minimizes back wave reflection.

High Definition Midranges: The Mythos ST SuperTower contains a D'Appolito array consisting of two high-definition 5-1/4 inch drivers surrounding a 1-inch dome tweeter housed in an acoustically isolated sealed enclosure. The drivers feature Definitive's patent-pending Balanced Dual Surround System (BDSS) technology that supports the speaker cone at both the inner and outer edges for longer, more linear excursion, greater clarity, and finely textured inner detail. The driver baskets are die cast Aluminum.

Pure Aluminum Dome Tweeter: The tweeter is a pure aluminum dome, which has been heat-treated to relax the crystal structure and then coated with a ceramic to produce extended, smooth highs.

Magnetically Shielded: The Mythos ST SuperTower is magnetically shielded for safe placement near your television.

Break-In Period: The Mythos ST SuperTower will sound good right out of the box; however, an extended break-in period of 40-60 hours or more of playing is required to reach full performance capability. The break-in period allows the suspensions to work in and results in full bass, a more open midrange, and smoother high frequency reproduction.

Built-in Powered Sub

Powered Subwoofer: The 6 x 10-inch "racetrack-shaped" polymer/carbon composite subwoofer is powered by a built-in 300-watt Class D amplifier and pressure-coupled to two 6 x 10-inch "racetrack-shaped" planar low-bass radiators for a total bass radiating area greater than a 15-inch woofer; but with far greater control, definition, and speed. A pair of ST tower loudspeakers is like having two 15", 300-watt powered subwoofers in your room without taking up anymore floor space. The result is bass that is deep, powerful and impactful while at the same time having tight, controlled, and accurate response. The built-in powered subwoofer also provides the following features.

  • Auto Turn-On: The Mythos ST's built-in active power subwoofer section must be plugged into an electrical socket using the supplied 10' AC cord. The Mythos ST has a special circuit which automatically turns the powered subwoofer section on when a signal is fed to the loudspeaker and turns off when there is a no signal (for 1-hour).
  • LED: An LED on the back-panel will light up when a signal is sensed and the amplifier turns on. The LED will automatically turn-off when there is no signal (for 1-hour).
  • Built-In Crossover: Definitive's engineers have perfectly adjusted the crossover and phase between the subwoofer and main speaker sections of the Mythos ST SuperTower to achieve seamless blending and life-like sound.
    • Note: Please not that there are no controls to vary the crossover points or phase because these have been factory calibrated and set to provide perfect blending.
  • Level Control: The Mythos ST SuperTower has a bass-level control which allows you to tune the output level of the built-in powered subwoofer section to match your room and personal listening preferences.
  • Protection Circuit: To prevent accidental damage to the subwoofer built-in the Mythos ST SuperTower from overdriving the system, the built-in powered subwoofer section features an internal overload protection circuit, which will turn the powered subwoofer off or down when overdriven or overheated and will then resume normal operation after a few minutes.
Enclosure Design

Curved Extruded Aluminum Enclosure: The enclosure is extruded aluminum with internal ribs for stiffening purposes. Strips of damping material are adhered to the inside of the extrusion to suppress ringing. The baffle is "Polystone" a dense and non-resonant mineral-filled polymer material that is slightly oversized and is force-fit into the extrusion "mouth" to prevent the aluminum from ringing. The midrange/tweeter array is isolated from the woofer enclosure by two pieces of MDF. Both woofer and mid/hi enclosures are sealed. The slim, curved shape of the enclosure reduces diffraction contributing to the ST's broad imaging and deep soundstage.

Connections

Speaker-Level & Line-Level Connections: The Mythos ST SuperTower is equipped with a pair of gold-plated, 5-way binding posts to attach your receiver's speaker wire and a gold-plated, mono-RCA/LFE input to connect your receiver's LFE/subwoofer output.

Mounting Options

Granite Base with Adjustable Feet: The granite base combined with the heavy Toroidal transformer mounted on the bottom plate of the loudspeaker's enclosure provides a low center of gravity for superior stability. The base incorporates 5 adjustable-height metal feet that may be fitted with either smooth furniture glide tips for wood and ceramic floors, or spikes for carpeted floors.

Applications: The precise accuracy, wide-range response, and high impact dynamic range of the Mythos ST allow you to use the speaker in most home audio/video system's ranging from a 2-channel music-only to a 7.1 channel home theater system. When used as a stereo pair, simply connect it with speaker wire as one would any pair of speakers; there is no benefit to using the low-level LFE inputs. When using the ST in a multi-channel system there are two options.

  • Connect speaker wire as in a stereo system; set bass management as Front=Large, Subwoofer=None
  • In addition to speaker wires connect low-level cables from the LFE/Subwoofer output of the receiver/processor to the LFE inputs of the ST (Y connector is usually required). Set bass management as Front=Large, Subwoofer=Yes. The benefit of this hook up method is that one now has the ability to control the level of the LFE channel relative to Front L&R bass.

Placement: The Mythos ST SuperTower loudspeaker can be used as a Main or Surround speaker.

  • Fronts: When used as a front main speaker, you should create an equilateral triangle between the speakers and your listening area. The speakers should be angled toward the center of the listening position for brighter, clear, sound with a sharper focus and a more solid central image. Pointing the speakers straight forward, parallel with each other , will result in a warmer less sharply focused sound. To get the best possible imaging and most even tonal response, avoid placing the speakers less than 3-feet (1-Meter) from your room's walls.
  • Surrounds: When used as rear or surround speaker, the Mythos ST may be located on the side or behind the listeners. When used on the sides, take care never to locate the speakers forward of the listeners. When the side/rear speakers are close to the listening position, do no aim the speakers directly at the listeners.

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Customer Q&A

1 question already asked

Q
what is the generall condition of scratch & dent ? On a scale of 1 -10
aaron  Jun 17, 2016
1 answer
A
Thanks for your question. Anything we sell in Scratch & Dent stock is going to be a very minor cosmetic flaw. If it was anything really bad we would not even attempt to sell it. Every item is different, some you may have a hard time even finding any flaw. The 60 day satisfaction guarantee still applies. Hope that helps.
kenneth  Jun 17, 2016 (Staff)

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