Acoustic Revive RD-3

Acoustic Revive RD-3
Acoustic Revive RD-3 Demagnetizer
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Function, Principle, Structure of the Acoustic Revive RD-3
When a disc (cd, dvd etc) has become magnetized, you can never obtain the maximum available sound and image quality from the recording.

Why do optical discs, such as CD, become magnetized?

It is thought that iron contained in the printing ink of the label side of the disc is one of the causes of magnetizing discs. For example, iron oxide is used for red, yellow or brown ink, cobalt is used for blue or green ink and nickel is used for silver ink. These materials, iron, cobalt, nickel, are called ferromagnetic substances, and they are relatively easy to magnetize.

Also, problems are caused by the use of aluminum used for the recording side of CD. Currently, the JIS (Japanese Industrial Standard) states that the purity of the aluminum used must be 99.0%. The other 1% contains ferromagnetic substance such as iron, nickel and cobalt. Aluminum is a weak magnetic material, so it is easily influenced by magnetism.

CD players contain magnetic substances. When a disc is played, the rotation of the mechanism, magnet and motor generates a flux which quickly causes discs to become magnetized. This same problem occurs in CD-R, DVD and MD. In particular MD uses an iron ingredient for the Magnet Catch, so the influence of magnetism is increased. In the most severe cases, it is impossible to read signals.

It is impossible to demagnetize your discs completely by other demagnetizers such as Head eraser or Bulk eraser. Some of these machines may actually induce magnetism!!!

Head eraser or Bulk eraser can't demagnetize CD, MD or Cables completely, because of their shapes or directions. In fact, they actually magnetizediscs in many cases! From the information Acoustic Revive has studied, it is easy to see that before a demagnetizing process has been carried out, it is impossible to obtain the highest quality information from a CD or DVD (audio and video signal quality). Even when you use expensive electronics (CD / DVD players etc), it is impossible to reproduce accurate sound quality from CD's, or ultimate picture quality from DVD, unless you demagnetize the disc. For example, amplifiers and loudspeakers never correct signals that have been damaged by magnetization. Your amplifier and loudspeakers will simply reproduce the information that they receive- good or bad signals. Demagnetizing the disc is indispensable if you are to reproduce the music and images to the highest possible quality and to retrieve all of the original information.

The Acoustic Revive RD-3 completely demagnetizes optical discs such as CD, CD-R, DVD, MD, and it is easy to use. If you use the RD-3 and demagnetize your disc, you will find that sound and picture quality are much improved. You will be able to hear aspects of the recording that were inaudible before the disc had been magnetized.

The Acoustic Revive RD-3 effects for all optical DISCS

 The Acoustic Revive RD-3 demonstrates the full effects not only with CD but with all optical discs. It is thought that electronic and information media will shift almost totally to optical discs so it is thought that the value in the use of RD-3 will increase greatly.
Here is a list of optical media (present and in future).

Optical discs that may be used with the Acoustic Revive RD-3 now:
CD, MD, DVD, Laser DISC,Game CD, Photo CD. CD-R, Video CD, CD-ROM, SACD, DVD Audio, DVD-R, etc.
* The effects of the Acoustic Revive RD-3 with SACD DVD / DVD Audio are far greater than with normal CD, this is because as these types of optical discs (more accurate) are influenced more by magnetism.

The effects of the Acoustic Revive RD-3 on DVD and Laser Discs:

Picture quality: The RD-3 removes flicker noise leaving clearer and shaper image. A brighter color becomes brighter, a darker color becomes darker, so the contrast of the image becomes clear and more vivid. In addition, each single color becomes more extremely vivid, especially red. Moreover, the natural tone of the human skin is superb.

Sound quality: The RD-3 improves audio quality, and increases the level of surround separation and dynamics. You are able to listen to detailed sounds that you never heard before and the human voice is more realistic.
These effects on sound and picture quality are more and more evident with increasing quality of equipment used in the system. You can use the RD-3 for video cables, power cables and sound cables which further enhances the effects of demagnetizing.

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Acoustic Reveive RD-3 graph
Measurement data of 1kHz signal (Not only 1KHZ sine-wave but also other ranges of frequency are showed in graph)

Before demagnetizing, peaks other than a sine-wave are generated at the 1kHz signal. Acoustic Revive considered these peaks as noise or distortion. White blank fields at the 1kHz peak are considered caused by reading errors. And the crests extend crosswise; it is considered that the rise and fall of the sound becomes worse. In addition, dispersions and irregularities are generated at other frequency ranges than 1kHz. And there are many peaks in the 200 to 800 Hz, range that are considered to be noise and distortion. After demagnetization by the Acoustic Revive RD-3, many peaks at the 1kHz and blank fields disappeared, and the 1kHz component becomes perfectly solid. Also crests at the other bands become former and upper edge non-ragged. Number of peaks considered as noise or distortion at 200 to 800 Hz decreased sharply, so we consider that the S/N ratio is improved and the rise and fall of the sound are made quicker by the Rd-3.

Acoustic Revive RD-3
Measurement data of the music signal

With the RD-3 post-demagnetization graph, the encircled areas, in the vicinity of 20 second in the range of 1 to 5Hz, it clearly shows filled in signal and increased crest height. The amount of information is therefore increased by demagnetization by the Acoustic revive Rd-3. It is clear that you are now able to listen to sound that could not be heard before. The heights of the peaks also increase; it indicates that the respective ranges are extended by the Rd-3.

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