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Post by Davecski65 on Feb 2, 2014 15:33:12 GMT -5
:-/Just noticed that Emotiva has two different X series cables for RCA,question is I have DC-1 into Mini-X using X-RCA,should I be using X-DRCA instead seeing as how this is for Digital or am I ok with what I have?
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Post by Gary Cook on Feb 2, 2014 17:17:01 GMT -5
The "DC-1 into Mini-X using X-RCA" is an analogue connection, not digital. So X RCA is the correct choice, not that it would matter.
Cheers
Gary
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Post by garbulky on Feb 2, 2014 19:20:59 GMT -5
Yeah there is no practical difference. Use what you got.
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Post by Davecski65 on Feb 3, 2014 20:22:41 GMT -5
Thanks guys, that's what I thought, just making sure.
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Post by mercury on Mar 19, 2014 10:19:42 GMT -5
Hi! I have an extra pair of X-DRCA(1meter). I just want to know if it is alright to use a pair of X-DRCA interconnects as a regular RCA connector between my CD player and the USP-1. Thanks for the help.
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Post by mercury on Mar 19, 2014 17:30:29 GMT -5
Researched..back read some posts...good to go.
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Post by solidstate on Mar 19, 2014 18:50:06 GMT -5
:-/Just noticed that Emotiva has two different X series cables for RCA,question is I have DC-1 into Mini-X using X-RCA,should I be using X-DRCA instead seeing as how this is for Digital or am I ok with what I have? Hey you want a good pro audio coaxial SP/DIF cable made from European cable? www.gothamaudiousa.com/assemblies/GAC-1_SPDIF-Pro_digitalaudio.htmThat is a better cable than the Emo Chinese stuff and it costs only $35 bucks.  |
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Post by solidstate on Mar 19, 2014 18:54:35 GMT -5
Yeah there is no practical difference. Use what you got. Are you sure about that? Both are coaxial? SP/DIF should be using a coaxial cable vs two conductor. That cable I shared above is coaxial and silver plated with a 78 Ohm impedance at the RCA connector. You cannot do better in a coaxial SP/DIF cable the world over... That is the cable professional studios use for such interconnects. Gotham, Mogammi, Canare and Hosa Tech is what the professionals use. This is the best XLR cable available IMHO terminated with the best Switchcraft XLR available. www.gothamaudiousa.com/assemblies/GAC-2AES_audiophilebalancedinterconnect.htm$23 bucks for a 3' cable   That purple stuff is $485 bucks for 200 meters. This company will make any cable assembly you want and they stock most of the pro audio cables. www.redco.com/I personally though would deal with Gotham USA directly if I needed cables of any kind. That purple stuff is what I'm going to be using with my XMC-1 to Outlaw 7500 when it finally ships. You want the best cable in the business used by the pros terminated with the best connector available? CONTACT THIS GUY Lewis Frisch P.O. Box 111 • Nazareth, PA 18064 Phone: (610) 746-9342 • Fax: (610) 746-9360 • Cell: (404) 840-0070 Emotiva should ditch the Chinese cable OEMs and make assemblies in house using that Gotham cable IMHO. They are about to sell a lot of XLR cables and that purple stuff is better than their Chinese OEM/ODM stuff. |
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Post by solidstate on Mar 19, 2014 19:25:16 GMT -5
Hey you want to start a SNAKE OIL AUDIO CABLE COMPANY?crast.en.alibaba.com/Don't bother contacting Lewis... Contact Mr. Leo Leng of Shenzhen AudioCrast Technology Co., Ltd. !!! ROTFLMAO |
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Post by garbulky on Mar 20, 2014 2:18:24 GMT -5
Yeah there is no practical difference. Use what you got. Are you sure about that? Both are coaxial? He needed it to go for an analog connection. But either way it would work imo. I've used "analog" RCA's for digital before with success - I am using one right now. |
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Post by solidstate on Mar 20, 2014 2:30:00 GMT -5
Are you sure about that? Both are coaxial? He needed it to go for an analog connection. But either way it would work imo. I've used "analog" RCA's for digital before with success - I am using one right now. What matters is the cable geometry IE coax vs. two conductor with shield. An SP/DIF cable should use 75 ohm coaxial cable. That Gotham coax is better than Belden 1694A used for SDI! It's a silver plated copper conductor with silver plated doubled shielding with bonded foil. You can't get better coax for SP/DIF use! That's also excellent cable for a turntable or any singled ended connection really... |
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Post by solidstate on Mar 20, 2014 2:33:55 GMT -5
I just looked at the analog RCAs Emotiva sell and they are not coaxial based thus provides the wrong impedance for a coaxial SP/DIF connection. It probably works BUT...  |
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Post by garbulky on Mar 20, 2014 2:37:21 GMT -5
He needed it to go for an analog connection. But either way it would work imo. I've used "analog" RCA's for digital before with success - I am using one right now. What matters is the cable geometry IE coax vs. two conductor with shield. An SP/DIF cable should use 75 ohm coaxial cable. That Gotham coax is better than Belden 1694A used for SDI! It's a silver plated solid copper conductor with silver plated doubled shielding with bonded foil. You can't get better coax for SP/DIF use! He's not using it for SPDIF. Thanks for the links. I like the look of the wires  |
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Post by solidstate on Mar 20, 2014 2:42:37 GMT -5
What matters is the cable geometry IE coax vs. two conductor with shield. An SP/DIF cable should use 75 ohm coaxial cable. That Gotham coax is better than Belden 1694A used for SDI! It's a silver plated solid copper conductor with silver plated doubled shielding with bonded foil. You can't get better coax for SP/DIF use! He's not using it for SPDIF. Thanks for the links. I like the look of the wires It's fine to use a digital coax for analog audio but it's not OK to use a none coaxial analog cable for SP/DIF. Are your Emotiva analog RCA cables marked directional? Usually a manufacturer that uses a non coaxial cable for single ended use that has two conductors and a shield will terminate the shield to only one RCA on the cable. This end should be at the source. This is a best practice RANE notes suggestion and it makes sense. Using this type of cable for an SP/DIF connection is foolish BTW and doesn't provide the proper electrical properties for an SP/DIF interconnect. |
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Post by Jim on Mar 20, 2014 8:08:10 GMT -5
He's not using it for SPDIF. Thanks for the links. I like the look of the wires It's fine to use a digital coax for analog audio but it's not OK to use a none coaxial analog cable for SP/DIF. Are your Emotiva analog RCA cables marked directional? Usually a manufacturer that uses a non coaxial cable for single ended use that has two conductors and a shield will terminate the shield to only one RCA on the cable. This end should be at the source. This is a best practice RANE notes suggestion and it makes sense. Using this type of cable for an SP/DIF connection is foolish BTW and doesn't provide the proper electrical properties for an SP/DIF interconnect. I'm not convinced that it matters. I recall reading one test that was done with some test gear, and they still had a zero error count even when using a coat hanger. I agree right cable for the right job, but in this case, I SP/DIF seems to have been shown to be rather resilient to substandard cabling. Found it: web.archive.org/web/20010419223607/http://www.magnani.net/~al/DigitalWireLabTest.html"... Dolby Decoder reported ZERO errors." when using a coat hanger as an interconnect. |
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KeithL
Administrator 
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Post by KeithL on Mar 20, 2014 8:35:59 GMT -5
In principle, S/PDIF wires should maintain a consistent impedance and meet a few other criteria (just like "video" RCA cables are supposed to be 75 ohms), while, with "audio interconnects", it doesn't matter (there's no particular reason for audio interconnects to be any specific impedance). Note that this DOESN'T mean that they should cost much more (at most, maintaining a specific impedance requires a tiny bit more attention to detail - but it shouldn't add more than a few dollars to the cost). "Digital" cables also usually have better shielding - mostly to prevent noise from the digital signals leaking out. In the case of S/PDIF connections, especially over short distances, I usually don't worry and I've never had any problems - although it is POSSIBLE that using a "plain old" cable could result in slightly higher jitter. I would say that, especially if you need a long wire, it might be a good idea to use one rated for "digital"; and I would try one if I were getting errors with a "non-digital" one in a particular situation, but, beyond that, I wouldn't worry. (However, since there's no harm whatsoever in using a "digital" cable for analog audio, if the cost the same, I might just get "the digital one".... why not?) It's fine to use a digital coax for analog audio but it's not OK to use a none coaxial analog cable for SP/DIF. Are your Emotiva analog RCA cables marked directional? Usually a manufacturer that uses a non coaxial cable for single ended use that has two conductors and a shield will terminate the shield to only one RCA on the cable. This end should be at the source. This is a best practice RANE notes suggestion and it makes sense. Using this type of cable for an SP/DIF connection is foolish BTW and doesn't provide the proper electrical properties for an SP/DIF interconnect. I'm not convinced that it matters. I recall reading one test that was done with some test gear, and they still had a zero error count even when using a coat hanger. I agree right cable for the right job, but in this case, I SP/DIF seems to have been shown to be rather resilient to substandard cabling. Found it: web.archive.org/web/20010419223607/http://www.magnani.net/~al/DigitalWireLabTest.html"... Dolby Decoder reported ZERO errors." when using a coat hanger as an interconnect. |
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KeithL
Administrator
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Post by KeithL on Mar 20, 2014 9:03:29 GMT -5
ALL cables do have a "characteristic impedance" - not just coaxial ones (even unshielded pairs; and even line cords and speaker cables). It's just that, with analog audio cables, since there is no particular impedance specified, you usually don't know exactly what the impedance is (if you happen to know the part number of the actual wire used you can usually look it up). In MOST situations, it simply doesn't matter - or, at least, isn't critical - there is no reason at all why a speaker cable or unbalanced interconnect should be any particular impedance - or should match the impedance of what it's connected to. But, no, our analog audio cables aren't necessarily the proper specified impedance for a S/PDIF connection - while our digital ones are - so the digital ones are technically a better choice. I just looked at the analog RCAs Emotiva sell and they are not coaxial based thus provides the wrong impedance for a coaxial SP/DIF connection. It probably works BUT...
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Post by solidstate on Mar 20, 2014 17:36:17 GMT -5
It's fine to use a digital coax for analog audio but it's not OK to use a none coaxial analog cable for SP/DIF. Are your Emotiva analog RCA cables marked directional? Usually a manufacturer that uses a non coaxial cable for single ended use that has two conductors and a shield will terminate the shield to only one RCA on the cable. This end should be at the source. This is a best practice RANE notes suggestion and it makes sense. Using this type of cable for an SP/DIF connection is foolish BTW and doesn't provide the proper electrical properties for an SP/DIF interconnect. I'm not convinced that it matters. I recall reading one test that was done with some test gear, and they still had a zero error count even when using a coat hanger. I agree right cable for the right job, but in this case, I SP/DIF seems to have been shown to be rather resilient to substandard cabling. Found it: web.archive.org/web/20010419223607/http://www.magnani.net/~al/DigitalWireLabTest.html"... Dolby Decoder reported ZERO errors." when using a coat hanger as an interconnect. That's funny! Thanks for sharing the article Jim! |
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Post by solidstate on Mar 20, 2014 17:37:31 GMT -5
ALL cables do have a "characteristic impedance" - not just coaxial ones (even unshielded pairs; and even line cords and speaker cables). It's just that, with analog audio cables, since there is no particular impedance specified, you usually don't know exactly what the impedance is (if you happen to know the part number of the actual wire used you can usually look it up). In MOST situations, it simply doesn't matter - or, at least, isn't critical - there is no reason at all why a speaker cable or unbalanced interconnect should be any particular impedance - or should match the impedance of what it's connected to. But, no, our analog audio cables aren't necessarily the proper specified impedance for a S/PDIF connection - while our digital ones are - so the digital ones are technically a better choice. I just looked at the analog RCAs Emotiva sell and they are not coaxial based thus provides the wrong impedance for a coaxial SP/DIF connection. It probably works BUT... Hey Keith, How do you guys terminate those cables with regards to the shielding? Is it terminated at each RCA or is one open? |
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