How far is your SUT from your Phono Pre/Preamp?

Had to go back to the internal SUT in my phono pre today because it needs to be at least 3 feet away from the preamp or phono pre to prevent hum. Is this normal? I don't really have the 3 feet available.

dhcod05-26-2022 12:31am

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lewm Details Discussions Posts This discussion Message User 13,307 posts 05-26-2022 at 12:38am Copy Comment URL Report Comment Edit Delete Do you wanna rephrase that?
tablejockey Details Discussions Posts This discussion Message User 3,954 posts 05-26-2022 at 12:42am Copy Comment URL Report Comment Edit Delete This must be a trick question?
dhcod OP Details Discussions Posts This discussion Message User 710 posts 05-26-2022 at 01:15am Copy Comment URL Report Comment Edit Delete Yeah, it does sound pretty dang silly. Can I report my own post for being a complete waste of everyone’s time?
holmz Details Discussions Posts This discussion Message User 2,328 posts 05-26-2022 at 01:47am Copy Comment URL Report Comment Edit Delete Mine is inside. I am assuming that your’s WAS external?
billwojo Details Discussions Posts This discussion Message User 397 posts 05-26-2022 at 02:55am Copy Comment URL Report Comment Edit Delete I think I get it. He was using an external SUT instead of the one built into his phono pre-amp but switched back because he was getting hum. Usually hum is from cables that are not properly shielded, ground issues, things like that. I run a Denon AU-340 SUT with 3' cables going into my Audio Research SP8 that sits about 10" from the SUT. No issues what ever. I have all my grounds attached to the back of my SUT, the ground from the SP8 and the ground from the tonearm cable. BillWojo

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