There are only a handful of true 50 / 75 ohm cables around.
Most exotic (and very high priced) digital cables are not true coaxial designs at all!
I have email a number of manufacturers which i will not mention, none even dared to reply when i asked of their cable are true 50/75 ohm designs and required for clocking.
Some you see obvious twisted pairs being sold as digital cables?
I guess there is just not debate on this, just having RCA's are a dead giveway, even when a BNC termination is also as an option.
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