@mooks005 The Luxman is probably a nice phono pre. Tough to say if it is equal to or better than the phono stage in the 12000. Not sure where you live but it may be worthwhile getting some listening time in with your cart on someone else's system that has a similar table.
Should I use an external Phono Preamp
I am using a McIntosh C12000 as the Phono Preamp for a Technics SL1210GME turntable with a Ortofon Cadenza Black MC cartridge. Should I expect a higher level of performance with an external Phono Preamp? If so, what would you recommend? I was thinking about the Luxman E-07.
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In another thread, OP found a power cord near his phono cable was causing hum, it’s worth moving wires and seeing if anything changes L only? R only? Your McIntosh has two inputs, try them both, (make sure both inputs are configured for your cartridge) verify the hum exists on both inputs, that should eliminate the McIntosh itself (not totally, but move on). Too much gain chosen on your McIntosh? Try a lower gain, see if you still get enough volume when playing an LP. Hum less or gone? ground cable connections headshell/cartridge wires another headshell with a different cartridge? If you don’t have one, or a friend cannot bring his over, like your Ortofon, this is also Shibata on Boron, only $429, including the headshell. MM with replaceable stylus. https://www.audio-technica.com/en-us/cartridges/type/moving-magnet/at-vm750xsh-h Minimum cost, $110, with headshell would prove it was not the cartridge, and leave you an elliptical on aluminum to play old LPs or nothing special audibly with (i.e. not wear out your good stylus on not so special lps). You could keep the headshell and sell the cartridge with 1 minute play. https://www.audio-technica.com/en-us/cartridges/type/moving-magnet/at-vm95e-h
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Understanding Hum, especially caused by earth loop and who knows what other loops or anomalies between Power Supply and signal circuits across devices. Is a subject and interrogation, I know only two people who are I would be able to trust to correctly trouble shoot shoot a issue discovered. I really hope for all who may have a issue, the fix proves simple.
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