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?OK to run 30 ft RCA from amp to preamp?

I am considering changing my set-up. Is it advisable to use 75 ohm, RG6 shielded cable with Canare DIY RCAs for a 30 ft run from preamp (BAT3i) to Primaluna 7 monos. Both are tube components. Speaker cables would be short, 2 meters. Are there any issues?

The system has developed "air" hiss/noise coming from the speakers. It is quite audible. I play mostly vinyl and I can hear it between tracks and between LPs. It seems to have increased over time. Could this be related to the interconnects I described above (although they are only 3 meters long)? Could it be tubes going bad?
Any help, advise is greatly appreciated as I am technically challenged.
Thanks!
oregon

Showing 1 response by oregon

oregon OP
831 posts
 
Tgrisham,
I'm impressed by your results- no noise. To what do you most attribute your resiults to, the LC-1 cable, or the Speltz? Or just lucky synergy?
Could you describe the anticable?

Cytocele,
I was not aware of the 50 ohm vs 75 ohm. Very well could be a problem.
BTW, are those biology books in your room?

Thanks for your help. Both good ideas to consider.
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