Definitive Technology DI55R owner manual Service, Technical Assistance, Specifications

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5.Check that no foreign objects or liquid has entered the cabinet.

6.If you cannot get the subwoofer driver on the side of the speaker to turn on or if no sound comes out and you are sure the system is set up properly, please bring the loudspeaker to your Definitive Technology Authorized Dealer for assistance. Call First.

Service

Service and warranty work on your Definitive loudspeakers will normally be performed by your local Definitive Technology dealer. If, however, you wish to return the speaker to us, please contact us first, describing the problem and requesting authorization as well as the location of the nearest factory service center. Please note that the address given in this booklet is the address of our offices only. Under no circumstances should loudspeakers be shipped to our offices or returned without contacting us first and obtaining return authorization.

Definitive Technology Offices

11433 Cronridge Drive,

Owings Mills, Maryland 21117

Phone: 410-363-7148

Technical Assistance

It is our pleasure to offer assistance if you have any questions regarding your Mythos STs or their set-up. Please contact your nearest Definitive Technology dealer or contact us directly at 410-363-7148.

Specifications

Mythos ST

 

Dimensions:

63/4" W x 91/2" D x 511/2" H

Frequency Response:

14 Hz – 30 kHz

Efficiency:

93 dB

Nominal Impedance:

4 – 8 ohms

Driver Complement:

Two 51/4" high definition cast-magnesium basket polymer

 

upper midrange drivers. One 1" pure aluminum dome tweeter.

 

One 6" x 10" long-throw racetrack subwoofer coupled to

Rec. Assoc. Amplification:

two 6" x 10" long-throw racetrack radiators.

20 – 350 watt/channel

Built-In Subwoofer

 

Power Amplifier:

300 watt Digitally-Coupled Class D amplifier

Fuse Size:

3.25-amp 250-volt slow-blow fuse for 110-volt version and

 

2-amp 250-volt slow-blow fuse for the 240-volt version

 

Specifications subject to change without notice.

Visit us at www.definitivetech.com.

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Contents Mythos ST Safety Precautions Unpacking Your Mythos STs Safety Precautions Specific to Mythos STBase Installation Instructions Please Inspect For Shipping DamagePositioning the Mythos Speakers in Your Room Installing Cable Clip for AC CordPositioning Mythos ST as Left/Right Main Speakers Speaker Break-In Connecting Your LoudspeakersSpiking Your Loudspeakers Positioning Mythos ST as Rear/Side SurroundsUsing the LFE Input on Your Mythos STs Hooking Up With Speaker Wire OnlyUsing Multi-Channel Sacd or DVD-Audio with your Mythos STs Powering Up the Active Subwoofer Section Setting Your Speakers’ Low-Frequency Level Control Setting Low-Frequency Balance When Using Separate LFE InputTroubleshooting Complete Home Theater SystemsTechnical Assistance ServiceSpecifications DUAT012609

DI55R specifications

The Definitive Technology DI55R is an innovative architectural speaker that combines high-performance audio quality with sleek design, making it an excellent choice for home theater systems and multi-room audio setups. This in-wall model is engineered to deliver superior sound reproduction, ensuring that users experience their favorite music, movies, and shows in a way that is both immersive and engaging.

One of the standout features of the DI55R is its advanced driver technology. The speaker is equipped with a 5.25-inch bass driver and a 1-inch aluminum dome tweeter. This combination allows the DI55R to deliver a full range of frequencies, from deep bass to crisp highs, creating a balanced sound that is both rich and detailed. The bass driver utilizes a poly graphite cone for enhanced rigidity and minimal distortion, allowing for accurate sound reproduction even at higher volume levels.

To further enhance the listening experience, the DI55R employs Definitive Technology's patented BDSS (Balanced Double Surround System) technology. This unique design offers improved midrange response and wider dispersion of sound, ensuring that every listener in the room can enjoy consistent audio performance, no matter where they are seated. The result is a speaker that can fill a room with sound, making it ideal for larger spaces.

Installation of the DI55R is designed to be as straightforward as possible. The speaker features a convenient, paintable grille that can be customized to match the décor of any room. Additionally, its low-profile design ensures that it blends seamlessly into walls, providing an unobtrusive audio solution without sacrificing performance. The speaker's rear enclosure is engineered to minimize sound leakage, further enhancing the clarity and integrity of the audio.

In terms of connectivity, the DI55R is compatible with a variety of audio systems, enabling effortless integration into existing setups. Its robust construction and quality components make it a dependable choice for both casual listeners and audiophiles alike.

Overall, the Definitive Technology DI55R stands out as a premium architectural speaker that brings together advanced technology, exceptional sound quality, and aesthetic appeal. Its combination of features makes it a versatile addition to any audio system, allowing users to transform their spaces into immersive sound environments.