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What are the right cables for receiver to amp?

3824 Views 12 Replies 6 Participants Last post by  tdogroeder
Yamaha receiver to Emotiva LPA-1


Is this one overkill? http://www.monoprice.com/products/pr...#specification


Or is this one good enough. http://www.monoprice.com/products/pr...#specification
1 - 13 of 13 Posts
Can someone point me in the right dirrection, please.
Well theoretically any rca cable should do. However, I just bought 5 rca cables and 5 co-ax audio cable from monoprice to use between my Yamaha receiver and a Rotel amp and the rca cables had a hummm/shhhhhh. I switched to the co-ax cable and it all went away.


Here is what I tried.


I just installed the 5 digital co-ax cables from Monoprice instead of the rca cables from Monoprice. And what do you know? The slight Hmmmm/Hssss I was hearing totally went away. I am not sure exactly what the difference was between the two cables but there was a difference. Here are my thoughts on what made the change.


1. The new cables were 6 feet instead of 12 feet for the old ones. However, the old 12 foot co-ax cables I had on the front speakers eliminated the Hummm/Hsssss also.

2. The shielding on the co-ax cable may be different. I run the cables near my power cables(I don't have a choice. I have limited space).

3. The rca cable could be defective? It works just fine for video though.


So why is it that they sell co-ax cables as sub woofer cables? Monoprice specifically designates these cables as sub woofer cables. What would make these cables better for a sub than rca? Couldn't that difference affect regular speakers that go down to low frequencies as well?

http://www.avsforum.com/avs-vb/showt...0&page=2&pp=30


The component cables or the co-ax cables should work fine. From past experience I do not recommend the monoprice rca cables for higher end audio.


These are what I bought. I am definitely happy with these.

http://www.monoprice.com/products/pr...ormat=2&style=
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Don't lose any sleep over cables man. Just go to Radio Shack and get some of their Gold series. The ones from monoprice would be fine also. Your just passing the analog signal to your amp, no need to break the bank.
Yea that is what I thought till I tried it. I had very cramped space and my lines had to run past the power cords. I was getting a slight hmmmm/hsssss from the rca's and the co-ax cables worked just fine. Someone else said that the monoprice rca cables might be twisted pair instead of co-ax. They indicated that it could make them more susceptible to noise.


Theoretically, the component cable would be the same as the digital co-ax. They are both listed with about the same specs. I would get the cheaper of those two. I wouldn't get the standard monoprice rca cables though. They were not as good.
Isn't the whole idea of twisted pair ICs to reject noise?

I thought that was the advantage they had when they hit the market a few years back? No need for as much shielding, because they rejected the interference.


If the coax cables work fine, thats good, but what does it say about the company's other products?


You get what you pay for.

Quote:
Originally Posted by mpgxsvcd /forum/post/0


Theoretically, the component cable would be the same as the digital co-ax. They are both listed with about the same specs. I would get the cheaper of those two. I wouldn't get the standard monoprice rca cables though. They were not as good.

Either one from Post #4 is good then?

Quote:
Originally Posted by tdogroeder /forum/post/0


Either one from Post #4 is good then?

Yes either one from post #4 will work just fine.
Digital Coaxial cables have more shielding and will work better than standard RCA cables. The difference in Monoprice RCA's premium Digital Coaxial is only $1.

Quote:
Originally Posted by Hans Gruber /forum/post/0


Digital Coaxial cables have more shielding and will work better than standard RCA cables. The difference in Monoprice RCA's premium Digital Coaxial is only $1.

Can you give me a link to the ones you are talking about.


Thanks

Quote:
Originally Posted by mpgxsvcd /forum/post/0


Well theoretically any rca cable should do. However, I just bought 5 rca cables and 5 co-ax audio cable from monoprice to use between my Yamaha receiver and a Rotel amp and the rca cables had a hummm/shhhhhh. I switched to the co-ax cable and it all went away.


Here is what I tried.


I just installed the 5 digital co-ax cables from Monoprice instead of the rca cables from Monoprice. And what do you know? The slight Hmmmm/Hssss I was hearing totally went away. I am not sure exactly what the difference was between the two cables but there was a difference. Here are my thoughts on what made the change.


1. The new cables were 6 feet instead of 12 feet for the old ones. However, the old 12 foot co-ax cables I had on the front speakers eliminated the Hummm/Hsssss also.

2. The shielding on the co-ax cable may be different. I run the cables near my power cables(I don't have a choice. I have limited space).

3. The rca cable could be defective? It works just fine for video though.


So why is it that they sell co-ax cables as sub woofer cables? Monoprice specifically designates these cables as sub woofer cables. What would make these cables better for a sub than rca? Couldn't that difference affect regular speakers that go down to low frequencies as well?

http://www.avsforum.com/avs-vb/showt...0&page=2&pp=30


The component cables or the co-ax cables should work fine. From past experience I do not recommend the monoprice rca cables for higher end audio.


These are what I bought. I am definitely happy with these.

http://www.monoprice.com/products/pr...ormat=2&style=

mpg, what you are describing is the evidence of a ground loop in your system. Monoprice RCA cables were not the ones to blame. The reason you no longer heard hum after connecting co-ax cables is simple: RCA cables (most of them anyway) have ground pins connected on both ends of the cable, whereas co-ax cables typically are "directional" in the sense that only one end of the cable has a ground pin. That was the factor that most likely removed the humming. My point is that unless you have a ground loop problem like yours, you probably should not use co-ax cables instead of RCA.

To the OP: do not spend a fortune on the cables. Very possibly, those Monoprice RCA cables are decent and will be just fine. Or take a look at Blue Jeans cables.

Quote:
Originally Posted by TauRus /forum/post/0


To the OP: do not spend a fortune on the cables. Very possibly, those Monoprice RCA cables are decent and will be just fine. Or take a look at Blue Jeans cables.

I won't spend a lot on cables, the blue jeans are on the expensive side for me even that is why I am going with monoprice.


Which one from monoprice do you suggest?
1 - 13 of 13 Posts
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