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KLE RCA plugs are the real deal!!

I ordered a set of KLE RCA Pure Harmony plugs to use for a pair of interconnects using Duelund 16ga wire. I previously built a set, with good results, using standard switchcraft plugs. The difference, even without break in, was staggering. Although the Switchcraft plugs sounded good themselves alone, however, when doing a direct comparison to the KLE's, the difference is clear. The cables using the SC plugs sounded harsher (especially on high end) when compared to the KLE. The cables seem to have a "free-er"(FLOABT) sound or more flow. Seemed as if the SC's were holding something back. 

As far as building the cables, the separated solder posts make things way easier. Everything is quite compact (especially for larger wires) in the SC plugs. The removable grommets are a nice feature if one wants to use thicker cable wraps, shrink tubing or shielding. 

One other area I think the KLE's are great for is trying wire combinations without soldering. With the "V" shaped solder posts, one could "wrap" the ends somewhat snug and use the wire locking screws. You would still have to be very delicate when hooking up...however this is something that is pretty much impossible with the SC's. 

As I plan to build my entire system's cables, KLE will be the plugs I use on everything. I highly recommend
aberyclark
ketchup
459 posts
 
I just made a set of ICs with the Pure Harmony connectors as well. After connecting the cables to RCA jacks about two times, the silver plating on the negative contact wore completely off on two out of the four connectors! It may have come off after one connection (I did not look at the negative contact closely until I was ready to permanently put the cable in my system).  I can now see the copper that is below the silver. And yes, the RCA jacks were cleaned/deoxidized and in perfect condition before connection.
I do not recommend not soldering. There is no way to secure the wire around the v-shaped terminal. I actually do not like the terminals on these. A terminal with a hole in it would be much more user friendly and let you create a good mechanical connection before soldering.
millercarbon's avatar
millercarbon
324 posts
 
I was hoping to find something good here because the bullet style RCA's on my Origin Live arm are after several years giving me noise problems. But sadly the KLE's are the same poor design.

Its not just me by the way. Talking it over with Keith Herron he said the same thing, bullet RCA's can be a problem.

Might still be worth a try but then I looked at the price. RU serious?

I know a guy who for decades- at least 30 years- has been building all his own cables. Thirty years. Never once made one even half as good as what you could buy from Synergistic Research for less than the cost of these KLE plugs.

I guess people who build their own cables must just really be into tinkering?
aberyclark OP
594 posts
 
Wow...sorry to hear about the issues. I was not suggesting NOT to solder. Just if you want to try experimenting with different wires to try out before actually doing a solder, the KLE's seem like a great way to do it.
aberyclark OP
594 posts
 
The mid to lower end Synergistic research cables are typical of many brands. many say nothing special, some love them. I researched them a couple years back. I may have to give them a try sometime
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