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SB Touch to Metrum Octave: toslink, coax RCA, BNC?

I'm finally pulling the trigger on an Octave, and while I wait for it to arrive I'm thinking about the digital link to the SB Touch. I don't have a good digital cable (using Touch analog out), so need to buy one. Should I go for toslink or coax?

If toslink, it would be a glass "cable".
If coax, I know about the inability of the RCA plugs to achieve 75 ohm cables, and have seen comments about replacing the RCA on the Octave with a BNC connector. Good idea if a Touch is on the other end?

Input from experienced users is highly appreciated!

Thanks!
lewinskih01
rbautista
97 posts
 
You should be fine using the coax of the Touch. I use it without problems. Just use a good cable.
lewinskih01 OP
909 posts
 
Thanks guys. So I'm leaning towards coax with RCAs.

Should I DIY with true 75 ohm RCA plugs? BTW, which RCAs are "true" 75 ohm? WBT?

I have Purist Audio Museaus analog ICs, and doubt the RCA plugs on their Genesis RCA coax is truly 75 ohm.
kijanki's avatar
kijanki
4,432 posts
 
I used Canare 75ohm RCA plugs.
vhiner
544 posts
 
My vote is for a good coax...never heard a toslink beat a coax of equal quality. Depending on your budget, I've had good experience with the following in descending order of quality: Shunyata Python digital, Shunyata Cobra digital, Moray James digital ( very rare but inexpensive and incredible), Harmonich Tech Magic digital, and the ever-affordable Kimber Illuminati D-60.
lewinskih01 OP
909 posts
 
Kijanki,

Did you replace the RCA female plug on the Octave as well?
What did you use for the cable?

thanks!
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