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Speaker Cable 喇叭線
Planus IV AG
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Planus IV AG Speaker Cable

The Planus IV AG speaker cable is our best performing cable in terms of resolution of low-level detail and high frequency extension. Planus IV AG builds on what we previously learned with Planus III AG and with Planus IV. It takes the best of both designs. The results are that Planus IV AG is clearly our best wire for high-resolution systems.

Silver is a superior conductor of electricity compared to copper. This allows silver to better resolve low-level signals that would otherwise be lost within the conductor itself. We have also found that the thinner the conductor, the better the transient information and soundstage cues can be resolved. By combining these two findings in the Planus IV AG’s design, we have created the most resolving speaker wire in our line and quite probably the highest performing speaker cable on the market today.

If you have not read our narratives on Planus IV, please do so before continuing to read further. The performance aspects of Planus IV and Planus IV AG are very similar in a number of areas. The following is meant to compare the performance differences between the two wires.

Comparing the performance of Planus IV with Planus IV AG is an exercise in listening for subtle music cues. The attack and decay of notes is more apparent with Planus IV AG, mainly because it has slightly better extension in the top end. Also more apparent are the subtle inflections and other nuances musicians use to add expression to the musical performance. Both wires resolve these nuances well, but with Planus IV AG they are more apparent. The listener does not have to concentrate to hear the nuances, they flow more naturally through the performance with Planus IV AG.

Planus IV AG also presents a slightly more palpable sound stage. The instruments and voices take on an even greater sense of dimensionality. There is more air around the individual instruments/voices giving them a sense of three-dimensional space- much like you would hear in a live performance. While Planus IV does this very well, Planus IV AG is better.

The only downside to Planus IV AG we can see is that it is slightly leaner in the upper bass/lower midrange region. That is the characteristic sound of silver. Therefore, Planus IV AG may not be well suited to systems that are already lean in that frequency range. In those cases, we would recommend Planus IV.

Now, the big question on a lot of peoples’ minds – is Planus IV AG worth the price difference over Planus IV or Planus III? If you are looking for performance versus cost, the answer is no. On a strictly bang-for-the-buck comparison, Planus III is clearly the superior wire in our line and probably the best value in high end today. Planus IV AG is meant for those people demanding the absolute best performance possible from their systems and are willing to pay the price for a state-of-the-art piece of equipment. Planus IV AG redefines state-of-the-art.

The price of Planus IV AG is significantly greater than the rest of our speaker cables because it is much more difficult to make and the silver used to make it is MUCH more expensive. The price for Planus IV AG reflects our increased costs to make the product, not because of a “designer” pricing strategy that some cable manufacturers use to differentiate their premium products. Because Planus IV AG is so expensive, we do not plan to sell many of them. These will be a made to order product and we do not expect to stock many, if any, of these wires. We may have a demo set available for those serious buyers interested in auditioning them. Since Planus IV AG is a special order product, it may take weeks to fill an order. However, the wait will be well worth it.

By the way, if you do purchase any of our Planus wires, please be aware we use very thin foils for the conductors which can be easily torn. Always handle these wires carefully and do not pull or twist on the terminations- you will rip them.

PLANUS SPEAKER CABLES

MG Audio Design has been working on various cable designs for over 25 years. Why? Because, through our work on speaker designs, we have found that cables can make a profound affect system performance. Cables need to be thought of as a system component because they have the potential to alter the original signal significantly. Whether it is connecting a DAC to a pre-amp, a pre-amp to a power amp, or a power amp to a speaker, wires do alter the signal and not for the better. Wires can color the sound and some designs offer a very pleasant sound; not accurate, but pleasant.

MG Audio has developed what we believe to be the most neutral, transparent, detailed, and musical cables on the market today - the Planus series of speaker wires. Planus III and Planus IV/IVAG are our current offerings and represent our latest discoveries regarding cable geometry. We believe these cables alter the signal less than any other cable on the market.

Unlike other cables in the industry, we did not develop Planus speaker wires to have a 'house sound.” Rather, we focused on minimizing capacitive, inductive and skin effects that inevitably color the sound of all wires. The design is based on physics and good engineering practice, not voodoo. The geometry of all of our cables is based roughly on micro line technology developed in the 1950’s to support microwave transmission. The result of our design is that you can hear more clearly into the musical performance, catch details you have never heard before, and better capture the emotional expression of the artist(s).

The Planus series of speaker wires use a foil (copper or silver) as the conductor and PTFE (Teflon) as the dielectric. The spade ends on the speaker cables have been specifically selected for their sonic characteristics - one end is silver and the other is rhodium. After years of listening, we have found this combination to offer the greatest sonic benefits to the most systems. To the best of our knowledge, no other wire manufacturer has mixed its ends to allow the user the flexibility to fine-tune their system.

No one wire can be the “best” wire for all systems and ours is no exception. While these have been used on ribbons, stats, and dynamic speakers with great success, they may not work well with all systems. They are very revealing, not boring or polite. Because they may not work well in a particular system, we offer a 30-day money back return for standard length wires sent back in saleable condition.

Planus III is our least expensive speaker wire. Planus III has been reviewed by a number of magazines and is considered reference level in all ways. The reviews for the most part have been raves at its ability to draw the listener closer to the musical performance. In listening panel tests, Planus III's performance exceeded the best of the offerings from many well-recognized high-end manufacturers. Planus IV AG is our state-of-the-art speaker cable and bests the rest of our speaker wires in the areas of detail and palpability of instruments in the soundstage. The speed, detail, transparency, and musicality of Planus IV AG redefines state-of-the-art.

Most importantly, all of our wires allow one to hear the musical performance and musicianship in a way most people have never experienced from their systems. The difference between the wires is the level of refinement that each presents.

Please contact us if you have any questions. Also, your best results will be achieved by using Planus speaker cable with Planus interconnect. These interconnects are based on a similar geometry to the speaker wire and have similar sonic virtues. Together, these can transform a system.