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DIY Interconnects

post #1 of 17
Thread Starter 

Hi Guys, I am thinking of making some interconnects and was thinking of using the new KLEI Copper/Silver®Harmony Phono/RCA Plugs?

What do you think?

 

Here are a couple of DIY reviews that I have read so far, and might follow, that use the Harmony RCA Plugs...

http://www.image99.net/blog/files/cf662af46f47abf6d812010ad97da98e-49.html

http://www.image99.net/blog/files/0224b0cee9c3aa5973fe99f27c45ecc3-50.html

 

thanks :) 

post #2 of 17

From the photos they look like a very poor choice. Skipping the mechanical features, from an electrical viewpoint, you want a connecter that has a low resistance 360 degree connection to the jack shield and a 360 degree connection to the coax shield.

post #3 of 17

I like the idea of a plastic shell because it can get a solid grip on the female connector, but at that price it would be insane.

post #4 of 17
Thread Starter 
Quote:
Originally Posted by Speedskater View Post
 

From the photos they look like a very poor choice. Skipping the mechanical features, from an electrical viewpoint, you want a connecter that has a low resistance 360 degree connection to the jack shield and a 360 degree connection to the coax shield.

Hi Speedskater, why do you think that a 360 degree connection to the jack/coax shield is better/necessary... thanks :)

post #5 of 17

When used for RF connections having a 360 degree contact is required to maintain signal strength and isolate the signal from external noise. It's also important to ensure there is no leakage which is a real problem with RF. In audio applications it's just important that you have a good connection, it's hard to have a bad connection with a 360 degree contact surface.

post #6 of 17
Thread Starter 
Quote:
Originally Posted by 65535 View Post
 

When used for RF connections having a 360 degree contact is required to maintain signal strength and isolate the signal from external noise. It's also important to ensure there is no leakage which is a real problem with RF. In audio applications it's just important that you have a good connection, it's hard to have a bad connection with a 360 degree contact surface.

Hi 65535, perhaps but what about the following points... Won't the RCA socket collar provide 360 RF Isolation/Protection once the RCA plug is connected to it.  Can't 360 degree contact surface actually provide multiple single point contacts which by doing so cause electrical signal connection confusion, such as eddy currents, etc... thanks :) 

post #7 of 17
Quote:
Originally Posted by Ping View Post
 

Hi 65535, perhaps but what about the following points... Won't the RCA socket collar provide 360 RF Isolation/Protection once the RCA plug is connected to it.  Can't 360 degree contact surface actually provide multiple single point contacts which by doing so cause electrical signal connection confusion, such as eddy currents, etc... thanks :) 


Even in books on designing the highest speed computer circuits, this has never been a concern.

post #8 of 17
Thread Starter 

Hi, well I tried the ones mentioned in the blog with Silver Harmony Plugs and they are excellent and the plugs are very easy to use and are strong and have a nice solid feel :) 

 

I have now noticed that they have released a Pure Harmony Plug, http://kleinnovations.com/klei-pureharmony-phonorca-plug/, so I might try those... :)

post #9 of 17
Thread Starter 
Hey Guys, just noticed this review on the Pure Harmony RCA which I thought might interest you... http://www.image99.net/blog/files/c308b49af224fd5d44e58bf7ef50ce24-54.html smily_headphones1.gif
Edited by Ping - 6/16/14 at 7:27pm
post #10 of 17
Good thing I have a strong stomach.
post #11 of 17
Thread Starter 

From my experience with the Harmony RCAs, I thought the reviews were very accurate.  After using them, I wouldn't use any other RCA now, and I have quite a few different ones/brands in my parts box, nowadays :)

post #12 of 17

I'm glad that you enjoy your Harmony interconnect cables, but from my point of view, it's a poor plug design.

post #13 of 17

Also quite overpriced and fantastically reviewed.

post #14 of 17

There seem to be a small group of people that are pushing them on several forums.

post #15 of 17
It's the kind of boutique product that requires shills to sell. Anyone with a basic grasp of electronics and mechanics would see the serious b/s used to market these plugs.

The one thing I do like is the plastic grip. I stand by though, that the Neutrik Profi Cinch is the best RCA out there.
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