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Furutech deMag Eliminates Magnetic Distortion in Optical Media

Tokyo • October 9th, 2006 • Furutech Co., Ltd., manufacturer of analog and digital audio and video cable and accessories, proudly announce the availability of their new deMag Demagnetizer. It completely demagnetizes LPs and optical disc media like CD, CD-R, DVD, MD, Game CD, Photo CD, SACD, and DVD Audio. Plus it’s an indispensable accessory for keeping interconnects, power cords and their connectors demagnetized preventing distortion.

Disc Magnetization Is No Mystery

The silk-screened label on an optical disc contains chemical compounds such as iron, nickel, and cobalt. These materials are strongly magnetic and easily remagnetized. The reflective information-bearing surface of optical media contains 99% aluminum, but 1% of these same highly magnetic materials! Even aluminum is considered a weak magnetic conductor.

Amazingly, optical discs actually magnetize as they play! A magnetic field is induced as they spin. This same elemental process takes place with CD, CD-R, DVD, and MD. Particular attention is due MD as it’s most prone to magnetization effects such as problems reading discs.

Other so-called demagnetizers on the market including specialist products, head erasers, bulk erasers, etc. don’t completely demagnetize your discs. Rather, some of them actually induce magnetism! Take spinning demagnetizers, for example. After the disc stops, a section of the CD is left exposed to the fixed magnet below. Because Furutech’s deMag Ring Magnet Technology ramps power up then down again, all residual magnetism is completely removed.

Demagnetizing LPs

How does an LP become magnetized? Pigment added to the plastic during the manufacturing process is the culprit. The minute amount of ferrous material in the pigment causes LPs to become magnetized. See Michael Fremer’s review in Stereophile’s October Recommended Components issue. “… demagnetizing an LP definitively removed a high-frequency glaze or glare and seemed to enrich the midband… Demagnetizing LPs works. Better yet, once a record has been demagnetized, it seems to stay that way… And do not try one of these devices unless you’re prepared to buy it.”

Demagnetizing Cables

Electric current generates a magnetic field as it flows through a power cord or conductor. However, magnetic impurities within the materials themselves become magnetized and introduce further magnetic distortion. Just loop your cables and power cords on the top surface of the deMag and begin treatment.

No matter how valuable or expensive your system the only way to achieve top performance is by demagnetizing your problems away. There are no other demagnetizers on the market that are so versatile and effective. The deMag Demagnetizer can even be used on metal-based accessories like CD stabilizers and speaker terminals.

The Sound

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Demagnetizing both sides of optical media before play results in a greater sense of power, dynamics, and resolution, with cleaner, blacker backgrounds and a larger, more stable soundstage, vivid tonal colors and deeper extension at both ends of the frequency range. Demagnetization also communicates the delicacy, refinement and nuance of a performance, along with the micro- and macro-dynamics needed to realize the full potential of music and movies.
Using the deMag improves the sense of surround sound involvement in every two-channel and multichannel home theater system. Visceral, exciting sound heightens the emotional and participatory sense of music and especially home theater.

The Image

Since the deMag Demagnetization Process eliminates all magnetic distortion noise, video displays of all types benefit from less ghosting, color shift, “snow”, vertical and horizontal interference lines. After treatment you’ll notice a higher resolution picture with more finely graded contrast, clean and precise, with bright, saturated colors and a more sophisticated color pallet.

Furutech’s deMag holds the following Patent Numbers:
Japan #2942760
U.S. #6058078

Dimension: 487mm/19″ W × 68mm/2.7″ H (without spikes) × 470mm/18.5″ D
Net Weight: 11.0Kgs/24lbs
The Furutech deMag retails for $1,800.

About Furutech

Furutech, based in Tokyo, Japan, designs and manufactures a wide range of analog and digital A/V cables, power distribution and filtering products, accessories, and OEM A/V connectors and other signal transfer components, all made with leading-edge, patented materials and processes with an attention to detail found nowhere else.

Make a More Powerful Connection with Furutech!


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