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The MD 606T XM Radio

XM Radios

XM Radios for satellite radio

larger view of the MD606T XM Radio   

XM Radios

The MD-606T XM Radio is a product that is designed with the same purist philosophy as any Magnum Dynalab source device, yet versatile enough to be included in virtually any fine audio or home automation system. With an XM radio module providing access to over 170 XM Radio channels in the US and over 100 channels in Canada, a Triode audio output board that is as dynamic as it is transparent, plus the capability to provide fast feedback through virtually any device able to output RS232 commands, it is a perfect combination of function and audio entertainment.

XM Radios for satellite radio

Critically important to any high-performance, digitally-driven audio product continues to be the capturing, rendering and control of the digital media. And in today's world of quickly evolving digital sources, this challenge has never been more important. However, of equal importance is the design and attention to detail of the analog signal path following the conversion from its digital source. Our purist philosophy and devoted attention to detail as it relates to the analog signal path is what distinguishes a Magnum Dynalab product, providing a sound experience that extends beyond the functional benefits of the originating digital source. The MD 606T XM Radio is a product for music lovers ... for those that appreciate the full and rich tonal diversity that comes from a truly high-performance audio source component.

XM Radios for satellite radio

XM Radios for satellite radio - remote

The MD 606T XM Radio is also equipped with a RS232 port that allows control of the Tuner from a variety of devices including Whole-House A/V Distribution and Home Automation Systems, or just about any hard-wired device capable of outputting RS232 commands. All relevant protocols are available in our MD 609T/MD 606T XM Radio Installation Guide.

With 20 XM presets, the ability to browse by both station and genre, and a 4.2" blue LCD display featuring all relevant metadata including channel, category, artist and track, the MD 606T XM Radio is as functional at it is melodic. Similar to the MD 609T XM Radio, the product's stately symmetry is characteristic of many Magnum Dynalab products, with a large machined button used for power on/off, plus tactile buttons for menu, select, station up/down and category up/down. All functions are also controlled by way of a handsome IR remote.

satellite radio tuner

Our design team has created the audio stage, DAC and power supply of the MD 606T XM Radio with the same purist philosophy as all of our products. That is, treatment of the audio path in such a way to preserve the integrity of the original signal, ensuring that all the micro-information is maintained throughout the circuit, showcasing the precision with which the music was originally recorded.

internal look at the MD-606T XM Radio

The MD 606T's triode design is first and foremost characterized by its notable transparency, achieved in part via a unique linear power supply utilizing a special circuit path and custom designed Toroidal transformer. The specially designed circuit eliminates all stray ground path signals, transients and high frequency noises from the audio feed.

The clean source of DC power allows the distinctive audio stage and DAC of the MD 606T XM Radio to perform at its best. The design employs 2 6922 Magnum Dynalab vacuum tubes, a collection of components from Mundorf, WBT, Burr Brown and Wima, and strict manufacturing guidelines to ensure that the product's specifications are met on a consistent basis. And with a .093 thick printed circuit board and gold plated contacts throughout the device, you can be sure that the equipment has the foundation required to operate at its finest.

XM Tuner for satellite radio

Finally, the depth and clarity of the acoustics heard from the MD 606T XM Radio could not be achieved without the zero feedback design, created to avoid an alteration of the original wave form. The result is a device with impressive specifications: signal to noise ratio greater than 95dB, frequency response from 10Hz to 100KHz, and zero distortion variance from .2 Hz to 200KHz.

Finally, we have taken special care to design the MD 606T XM Radio to be upgradeable in a variety of ways. Not only do customers have the option to upgrade the audio stage of the product either now or later, but the digital front-end of the unit can be changed according to future developments in Satellite Radio technology. That is, should there be changes to the source feed of Satellite radio, we at Magnum Dynalab are committed to providing those upgrade options to all customers.

XM Radios - XM Radio stations

With access to over 170 channels in the USA, and up to 100 channels in Canada, XM Radio provides a wealth of listening options. Broadcasted in the S band using the frequencies ranging from 2332.5 to 2345.0 MHz, XM radio employs 3 satellites hovering in geostationary orbit plus a network of ground-based repeaters. Coverage includes all of continental US, the southern tip of Alaska, all of Southern Canada, plus many of the Caribbean Islands and most of Mexico.

To activate XM Radio in USA:
On-line: www.xmradio.com
Phone: 1-800-XM-RADIO, 1-800-967-2346

To activate XM Radio in Canada:
On-line: www.xmradio.ca
Phone: 1-877-GET-XMSR (1-877-438-9677)

How to purchase XM Radios from Magnum Dynalab

Find a Magnum Dyanalab dealer near you
or call us Toll Free in North America: 1-800-551-4130

Questions about XM Radios

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XM Radios - FAQ










What is Satellite Radio?

Think of Satellite radio as you would think of Satellite television. Satellite Radio providers have looked at the success of Satellite TV, and developed programming based on the hope that the same individuals attracted to Satellite TV because of its quality, depth of programming and relatively low cost will also be willing to pay monthly for access to satellite audio. Satellite Radio providers have helped differentiate themselves from terrestrial FM through the inclusion of a huge assortment of stations, all distributed 100% commercial free.

Who Provides Satellite Radio in North America?

In North America, the two Satellite Radio providers are XM and Sirius. They have both developed content that would satisfy just about any audio listener, both casual and audiophiles. Likewise, they both have relatively low monthly costs. XM and Sirius also have a distinct advantage other digitally distributed audio, using technology that encodes as a much higher resolution than many Digital or HD Radio stations, and a much broader assortment of stations.

Why did Magnum Dynalab choose to produce an XM Satellite Radio Tuner versus a Sirius Satellite Radio Tuner?

Despite some subtle differences in the decoding process, our decision to support the XM technology is based entirely on content. Quite simply, we feel that XM has a far greater selection of music stations, including various classical, jazz, blues and rock stations. Our customers are music lovers, and we feel that XM provides the content that Magnum Dynalab customers will like best.

Why did Magnum Dynalab choose to produce an XM Satellite Radio Tuner versus an HD Radio Tuner?

What is most important to mention first is the fact that the term 'HD Radio' does NOT stand for 'High-Definition Radio'. 'HD' is merely a trademark developed by iBiquity Digital Corporation, the developer of HD Radio, with no direct reference to a higher decoding rate of the digital signal. Rather, 'HD' more appropriately stands for Hybrid Digital, which describes the process of HD Radio locking onto a station - first locking onto the analog signal in mono, then stereo, then trying to find a digital signal. If digital signal reception is lost, the radio will revert to analog, the same way a car radio will go into mono operation from stereo when signal strength is insufficient for stereo. Much of the success of this system property relies on proper synchronization of the analog and digital audio signals by broadcast engineers at the transmitter. In part due to this variability in broadcast quality (versus the consistent quality of the XM signal), we have not elected to proceed with an HD Radio device. To put an exclamation point on our decision, extensive listening tests with prototypes we have created in our lab have not resulted in sound quality that is consistently satisfactory for us to adopt this technology.

What will I hear on XM Satellite Radio?

XM offers a huge variety of stations you'll never hear on commercial radio. Many of the music channels are commercial free, and most are unique and original to the XM frequency. Virtually every musical style is represented in depth and variety, including a healthy assortment of classical, blues, jazz and rock 'n roll. An entire listing of the XM channels can be found at www.xmradio.com in the USA or at www.xmradio.ca in Canada.

How will the merger of XM and Sirius affect my Magnum Dynalab XM Satellite Tuner?

Our customers can rest assured that when the merger of XM and Sirius happens, their Magnum Dynalab tuner will continue to remain completely functional.

Firstly, XM has clearly stated that all XM devices currently in market will receive a mix of programming from both services following a merger (http://www.xmradio.com/merger/promise.xmc).

Secondly, and most importantly, we at Magnum Dynalab have a history of perpetual product upgrades. If XM fails to deliver on their promise, we assert that we will provide the product upgrade necessary to ensure that your Magnum Dynalab device will accommodate any changes to the Satellite Radio technology.

Where is XM service available?

XM is available in the continental U.S., its territories and adjacent waters, as well as in Canada. In Canada, the XM service is made available through XM's exclusive licensee, Canadian Satellite Radio Inc. (www.xmradio.ca). XM provides excellent coast-to-coast signal coverage to the densely populated regions of Canada through its satellites and a robust ground repeater network installed in major metropolitan areas. Currently, XM's service is not sold in Mexico.

Does XM offer customer support?

XM's Listener Care Center provides efficient and reliable support services to XM subscribers through a dedicated toll-free telephone number, 1-800-XM-RADIO (1-800-967-2346). Listener Care Representatives provide amazing care in dealing with activations, general inquires, trouble shooting and billing care services.

XM Customer Support's hours are:

Mon - Sat: 6AM - 2AM ET
Sun: 8AM - 8PM ET

How much does XM Radio cost?

If you are a consumer, you will pay a $14.99 activation fee plus monthly service fee of $12.95 for over 170 channels in the US, and over 100 channels in Canada. If you activate on XM's E-care website http://activation.xmradio.com, you will only need to pay $9.99 for your activation fee plus the monthly service fee of $12.95.

If you are a business, you must be set up as a commercial account. Commercial accounts are $27.95 with a one-time activation fee of $14.99. At this time, you cannot activate or manage a commercial account on the web. Please call XM Radio at 888-689-2300 in the USA or visit www.xmradio.ca in Canada for your commercial activation.

Do I have to sign a contact for XM Service?

There is no contract, and the service can be cancelled at any time.

How does XM Satellite Radio work?

XM provides digital programming directly from three high-powered satellites in geostationary orbit above the equator. XM-1 ("Roll") and XM-2 ("Rock") are co-located at 115 west longitude and XM-3 ("Rhythm") is located 85 west longitude in addition to a network of ground-based repeaters. The combination of the three satellites and a series of ground-based repeaters ensure uninterrupted coverage throughout all of continental North America.

A song at XM Radio starts its broadcast life by being recorded into a specific format on a storage medium. It is encoded at a high bit rate (approximately 384kb/s) so as to preserve quality, and cataloged and organized in a similar way that we use ID3 tags for all digital files. The DJ at each XM station then selects the track or album of tracks to play for the next 15 to 30 minutes, previews the music, and allows the control system to encode the original source music using the aacPlus Codec.

Each XM channel is handled by an encoder. Each encoder transmits the necessary digital files for each particular station to a multiplexer, where they are combined with the files from all additional XM channels. Once all of XM's channels are sent to the multiplexer, the massive digital stream is modulated onto an RF carrier, and transmitted on XM's section of the S-Band frequency (2332.5 to 2345.0 MHz) to one of XM's three satellites.

From one of the three satellites, the encoded signals are sent back to earth, and the antenna connected to your XM receiver picks up the frequency. Since your receiver will be the only thing decoding this signal, you can rest assured that compared to the many digital transmissions that re-broadcast, re-store and re-encode the signal, the XM signal will never be sliced again.

Where do I need to place my XM Antenna?

The most consistent performance will be realized if the antenna has a 'bird's eye' view of the sky, and isn't generally affected by the directional orientation (North, South, East, West). The XM signal will penetrate some objects (i.e. wooden roof), so experiment with a placement that is both convenient and maximizes performance. Overall, you should expect your XM signal to remain extraordinarily consistent, unaffected by the various stray signals that often effects terrestrial FM.

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XM Radios of Magnum Dynalab     

  XM Radios - MD-606T
specifications of 606T XM Radio

XM radio manual
XM radio brochure

Highlights of the MD-606T XM Radio
xm tuners  

Access to over 170 XM radio channels in the USA, and up to 100 XM radio channels in Canada, all 100% commercial free.


xm radios


20 XM radio station presets, with bright 4.2" blue LED screen showcasing all relevant music metadata.


xm radio


Unique 2 tube audio stage featuring our MD 6922 vacuum tubes.


xm tuners


RS232 port and supporting protocols enabling control of the MD 609T from just about any hard-wired device capable of outputting RS232 commands.


xm tuners


Toroidal transformer employed to provide a pure, consistent power supply to all components.


xm tuners


A collection of components from only world leading suppliers: Mundorf, WBT, Burr Brown and Wima


xm tuners


17" faceplate with precision machined button ensuring responsive sensitivity.


xm tuners


External IR remote with complete functionality


xm tuners


Future upgrade possibilities: The digital satellite receiver has been designed in such a way to be replaceable according to any changes to the way in which satellite radio technology evolves over time.

Internet Radio Tuners

We are mystified by the potential that Internet radio offers, and we are excited about our new line of Internet Radio tuners.

XM Radio FAQ

XM Radios

MD-609T XM Radios      

MD-606T XM Radios    

XM Radios - FAQ    


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XM Radios