Digital Drive

Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it.

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75 ohm Digital cables.

Posted by Mcmann57 on August 15, 2012 at 16:30:02:
Hi. I have a pair of interconnects with male RCA connectors on both ends. I suspect they may be a set of digital cables, but I'm not sure and they are not labelled as such. There is a 'signal direction' arrow on each cable, and a molded lump (called an 'iron' by the salesman at a local electronics store) at the downstream end of each one.
I wish to use one of the cables to connect a CD player to a DAC.
Is there an electrical test I can perform, such as checking for resistance; or some other characteristic that would tell me whether they are 'digital' cables or plain audio interconnects?
If you think that 'digital' cables are just advertising BS, then let me know that as well.
Thanks!