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Old 11th March 2014, 05:19 PM   #1
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Default KLE Innovations RCA PLugs at MCRU | Keith Eichmann Returns!

KLE Innovations is a newly formed company owned by the original inventor of the bullet plug, Keith Eichmann.

A New Revolution By Keith Louis Eichmann (aka KLE)


MCRU have now received stocks of the very first product from Keith, called the "Harmony plug" basically a much improved RCA connector with silver plated copper pins, 2 further variations will launch shortly, full list of information is below from Keith's new website. I have soldered some Oyaide cable onto these plugs, I have to say it's easier to do than the original bullet plugs as we now have 2 identical tags to solder to, along with a much larger rear hole and 2 retaining screws instead of 1, overall a vast improvement and the best thing about this new connector, only £45 for a set of 4! See the MCRU website for details.

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The Harmony®Plug is a new revolutionary approach to Keith Louis Eichmann’s (aka KLE) previous Bullet Plug design, which itself was a revolutionary approach to Phono/RCA connection. It represents a wholesale rethinking of something as basic as the venerable Phono/RCA plug; a connector designed over Sixty years ago by The Radio Corporation of America (RCA). It is KL’s contention that the Phono/RCA plug in its current configuration is the standard connector in the audio/video industry not because it is the best possible choice for its intended use, but more by reason of default and its ultimate potential.
Realizing this to be the case KL decided to undertake a project of major significance: the wholesale redesign of this critically important but very compromised connector, with the objective being improved conductivity, enhanced signal integrity, higher resolution, and improved connection. Since the Phono/RCA plug is so widely used, connecting virtually every component in an audio/video chain, linking a multitude of components through a network of interfaces, any improvement in its performance in the critical areas of electron flow and signal integrity would be significant and particularly important in high resolution applications.A first evaluation of the Phono/RCA plug pointed to obvious metallurgical shortcomings. Most connectors, even those marketed as “deluxe” upmarket Phono/RCA plugs, are made from nickel and gold plated brass or phosphor bronze with a conductivity rating typically less than 28% IACS (International Annealed Copper Standard). As a comparison, the high purity copper used in the vast majority of interconnect cables has a conductivity rating of 100% IACS. Because of this low conductivity and the use of three disparate metals, it is KL’s contention that standard Phono/RCA plugs, even very expensive Phono/RCA plugs marketed as “High-End”, compromise electron flow and diminish the performance of the components they connect.Nickel is added solely to provide the jewel like appearance that makes expensive connectors look expensive. While achieving the desired appearance, it comes at a cost, which is degraded sound or poorer picture quality, as electrons flow through three disshttp://kleinnovations.com/wp-admin/media-upload.php?post_id=60&type=image&TB_iframe=1imilar metals with differing electrical and conductive properties.The conductive surfaces of the Harmony®Plug in contrast are formed from 99.999% pure copper (having over 101% IACS) with a dense proprietary high purity silver plating (>106% IACS) or formed from pure silver (having over >106% IACS), to ensure maximum conductivity. This provides >320% greater conductivity than the gold plated brass connectors used in the vast majority of deluxe Phono/RCA plugs. Proven metallurgical choices result in better signal transfer, and electron flow that is consistent with the highest quality interconnect cables.Using a direct dense proprietary high purity hard silver plating on the conducting surfaces of the pure copper Harmony®Plug pins allows the elimination of the nickel/gold plating typically used as the third metals in a confusing composite on standard Phono/RCA plugs. The dense proprietary high purity hard silver plating (> 106% IACS) produces the performance/sound characteristics of 4-nines pure silver (>106% IACS) and no additional plating is required to preserve signal quality.While the metallurgical understandings are significant, the second observation regarding the Phono/RCA plug turned out to be ground breaking. It related to a problem, overlooked for decades, that is intrinsic to the Phono/RCA plug’s design, and something as fundamental as the architecture of the RCA Socket itself. That is Phono/RCA ground collar, acting as a conductor that transfers electrons from multiple directions between the centre pin and its surface, are prone to electron turbulence called eddy currents. These turbulences are nothing less than electron chaos, exacerbated by the nonspecific point of ground in the Phono/RCA plug’s design, as an entire surface encircling the centre pin forms the electrical ground. Capacitive reactance and micro-arcing are additional artifacts of this architecture.The Harmony®Plug addresses these issues and offers an elegant and arguably major solution to the Phono/RCA plug that is so fundamental and so extensive that we have been granted a patent. The solution being, rather than encircle the centre conductor pin with a formed metal collar as ground, KL opted for a single point ground contact similar to star earthing/ground in high-end electronics. KL’s Harmony design features a redesigned single point ground connection, which has an optimised shape, mass and thickness of the conductive elements, eliminates every vestige of eddy current turbulence, capacitive reactance, and micro-arcing.KL believes he has, with this new Phono/RCA blueprint, solved a series of problems that collectively degrade audio/video performance and that do so in an additive manner. The importance of this innovation and redesign cannot be overstated. Its ramifications extend to every Phono/RCA interface in which high quality signal transfer is an issue. Extensive listening and critical comparisons played a major role in the evolution of the design, confirming at every juncture the audibility of properly applied science in even the area of Phono/RCA connection.In summary the Harmony®Phono/RCA plug is a further innovation and totally new approach to Phono/RCA connection.The Harmony®Phono/RCA plug innovations and refinements include:

  • Signal/Ground pins are constructed of either a direct dense proprietary high purity hard 99.999% pure Silver plated Copper or 99.999% pure Silver as follows…
    • Copper/Silver/Pure®Harmony specifications/comparisons…
      • Copper®Harmony… GROUND and SIGNAL pins have a Silver plating over PURE COPPERbase material…
        • The Silver plating protects the Copper pins from oxidization and improves conductivity to>101% IACS
          • Signal/Ground pins are pure Copper and >101% IACS (not Tellurium Copper (95% IACS) or Brass (28% IACS).
          • Signal/Ground pin optimization to enhance electron flow, in accordance with KL’s Copper Signal/Ground formula.
      • Silver®Harmony (short for Silver Hybrid Harmony Phono/RCA Plug)… GROUND pin isPURE SILVER and the SIGNAL pin has a thick/dense Silver plating over a pure copper base but due to Skin Effect the thick/dense Silver plating acts like it is solid Pure Silver…
        • Our testing shows that the Silver®Harmony when compared to the Copper®Harmony has noticeably better PRAT, decay, timbre, edge control and extension, resolution, and stage :=)
        • The GROUND pins conductivity is >106% IACS and the Signal pins thick/dense Silver plating improves conductivity to >106% IACS
          • Signal/Ground pins are pure Copper/Silver and >106% IACS.
          • Signal/Ground pin optimization to enhance electron flow, in accordance with KL’s Silver Signal/Ground formula.
      • Pure®Harmony (short for Pure Silver Harmony Phono/RCA Plug)… GROUND and SIGNALpins are PURE SILVER…
        • Our testing shows that the Pure®Harmony when compared to the Silver®Harmony is faster, and more transparent, with better PRAT, decay, timbre, edge control and extension, resolution, and stage :=)
        • The GROUND/SIGNAL pins conductivity are >106% IACS.
          • Signal/Ground pins are pure Silver and >106% IACS.
          • Signal/Ground pin optimization to enhance electron flow, in accordance with KL’s Pure Silver Signal/Ground formula.
  • Further optimization of mass and thickness of the Signal/Ground pins, in accordance to KL’s Copper, Silver, and PureSilver Signal/Ground formulas, to enhance electron flow.
    • Although the Copper®Harmony is capable of transferring extremely detailed Musical information with very high Resolution, further analysis of Electron Transmission theories (eg. skin effect, to name one of many aspects) revealed that the Copper Ground pin was a limitation and even better performance could be attained by replacing the Copper Ground pin with a Silver Ground pinas in the Silver®Harmony.
    • The Signal and Ground must be in harmony with each other, hence the name (Harmony), and this is why KL’s Signal/Ground formula is very important, re each Harmony model.
  • Further rejection of the idea of using a formed metal collar Ground to encircle the centre Signal pin, which KL has replaced with a new Ground pin.
  • The Ground pin creates single point star earthing/grounding which eliminates eddy current distortions, capacitive and inductive reactance, and micro-arcing.
  • The Ground pin includes thread teeth which ensures that a Harmony®Plug metal Housing is grounded.
  • The Signal/Ground pins are now much stronger and now shaped like tags, which makes soldering small/large/multiple conductor wires to them… very easy.
  • A Signal/Ground Anti-Short shield has been added between the Signal/Ground pins.
  • The Signal/Ground pins are now arranged to maintain a consistent maximum distance from each other, using foil technology, which further improves capacitive and inductive reactance effects and minimizes the cross-talk EMF effects that occurs in all other Phono/RCA plugs.
  • The Head Assembly jaw structure has been redesigned, and mechanically improved, to allow an easy snap-like connection to a Phono/RCA socket, ensuring an ultimate connection without damage to the Phono/RCA socket.
  • The Housing now uses 2 screws to secure the cable sheath to the Harmony®Plug housing.
  • Extremely high temperature melting point thermoplastic polymer is used, with excellent electrical and mechanical characteristics, which easily adjusts to your Phono/RCA socket to provide a secure snap-like fit that is easy to disconnect.
  • Having a significantly higher impedance than conventional RCA plugs makes the Harmony®Plug an ideal connector for Digital Interconnects requiring RCA connectivity in either 50, 75 or 110 ohm applications. Due to the high conductivity rating of the materials used for the conductors in the Copper Harmony, JITTER will be significantly reduced.
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Old 20th March 2014, 09:47 PM   #2
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Default Harmony RCA plug

Hi MCRU, what reports/feedback have you received so far, re the Harmony RCA plug
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Old 20th March 2014, 10:28 PM   #3
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Hi Keith,
Reports are the plugs sound superb, they are a doddle to solder thanks to the newly designed pins and the extra retaining screw adds a bit of extra icing to a already scrumptious cake!

Here is a cable I made already to use between a CD transport and DAC, awesome performance.

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Old 21st March 2014, 08:44 PM   #4
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Default Slic Innovations "Eclipse Interconnect"

All being well Keith's new Harmony plugs will be fitted to a new cable launching next week, when I say "cable" it is set to re-define what's possible from a simple "wire" please have a read here what some reviewers have said, these are real audiophiles not hi-fi journalists, a sneak preview of the cable below

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Old 22nd March 2014, 05:56 PM   #5
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Quote:
Originally Posted by mainscablesrus View Post
All being well Keith's new Harmony plugs will be fitted to a new cable launching next week, when I say "cable" it is set to re-define what's possible from a simple "wire" please have a read here what some reviewers have said, these are real audiophiles not hi-fi journalists, a sneak preview of the cable below
Hi mainscablesrus, reads and sounds amazing... what RCA's are those on the cables? Do they make a difference?... thanks
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Old 22nd March 2014, 06:15 PM   #6
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Originally Posted by mainscablesrus View Post
Hi Keith,
Reports are the plugs sound superb, they are a doddle to solder thanks to the newly designed pins and the extra retaining screw adds a bit of extra icing to a already scrumptious cake!

Here is a cable I made already to use between a CD transport and DAC, awesome performance.
Hi mainscablesrus, interesting... is that a digital lead? How does it sound with the Harmony plugs?... thanks

Last edited by PingPing; 22nd March 2014 at 06:29 PM.
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Old 22nd March 2014, 06:56 PM   #7
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Its a stereo interconnect but I also made one up using Oyaide pure silver cable with Keiths new connectors on the end and it sounds superb

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Old 22nd March 2014, 10:52 PM   #8
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Originally Posted by mainscablesrus View Post
Hi Keith,
Reports are the plugs sound superb, they are a doddle to solder thanks to the newly designed pins and the extra retaining screw adds a bit of extra icing to a already scrumptious cake!

Here is a cable I made already to use between a CD transport and DAC, awesome performance.Click the image to open in full size.
Hi mainscablesrus, was this cable being used as a digital lead between the CD Transport and DAC and did the Harmony RCA's have much of an effect in this configuration... thanks
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Old 22nd March 2014, 10:58 PM   #9
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Originally Posted by mainscablesrus View Post
All being well Keith's new Harmony plugs will be fitted to a new cable launching next week, when I say "cable" it is set to re-define what's possible from a simple "wire" please have a read here what some reviewers have said, these are real audiophiles not hi-fi journalists, a sneak preview of the cable below Click the image to open in full size.
Hi mainscablesrus, sorry, I think that I meant to ask... do the new Harmony RCAs help with the performance of these cables? That is do the Harmony RCAs make a difference?... thanks Click the image to open in full size.
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Old 23rd March 2014, 03:39 AM   #10
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Hi mainscablesrus, sorry, the reason I am asking is that it says "A New Revolution By Keith Louis Eichmann (aka KLE)" ... so, I guess, I am just asking how much you would say that these plugs are playing in the cables sonic performance.

I read this http://hifipig.com/rfc-reference-plu...onnect-cables/ and http://hifipig.com/rfc-reference-plu...onnect-cables/, so the difference appears to be quite dramatic, but is that what you also hear... thanks

Last edited by PingPing; 23rd March 2014 at 04:07 AM.
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