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Old 13th July 2014, 09:45 PM   #1
BigE is offline BigE  Canada
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Default Ground loop breaker and RIAA

Hi folks!

I have a quick question. Will using a ground loop breaker in an RIAA section change the filter response?

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Old 14th July 2014, 12:53 AM   #2
kevinkr is offline kevinkr  United States
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Can you explain what you intend to do exactly? A ground breaker should not be used in the audio interconnects between the cartridge and pre-amplifier, other than that I am not sure what you are contemplating.
"Extraordinary claims require extraordinary evidence." - Carl Sagan
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Old 14th July 2014, 02:42 AM   #3
BigE is offline BigE  Canada
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Sorry, my mistake.

*All* grounds (node 0) need to be moved to the ground loop breaker (GLB), which connects PS common and safety earth (which becomes node 0).

I forgot to move PS common to the GLB, but moved all other signal references. This caused the RIAA to change.
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