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are phono cables different from regular rca's?

to go from a step-up amp (Hagerman, FET) into the the mm input of the phono preamp, it would seem that an rca-terminated "phono" cable would be indicated; it's outputting a signal essentially the same as a mm signal from a cartridge. Is a "phono" cable intended for such low-level signals preferable to a normal rca interconnect, in this application? Are they constructed differently?
128x128lloydc
narrod
1,064 posts
 
Most interconnects are shielded. I've never had a problem
with hum because of the interconnects I've used. I would not use an unshielded cable (such as PBJ) for this application.
cpk
190 posts
 
It's all relative to the system and surrounding environment. I use all unshielded IC's (my brand) and have zero noise/hum....dead quite in my system.
ncallander
6 posts
 
I have been using older Bettercable Blue Truth as turntable interconnects and switched out for a gold helix IC from ELF Audio. The latter is unshielded and when deployed there was significant and unpleasant hum. Switched back to the BT and all was fine (except I want more neutrality in my phono section). I will further experiment with shielded phono cables.
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