What is causing these big dips?

I can’t find the notes. Art Tube Pre?

https://www.sweetwater.com/store/detail/TubeMPps?product_id=TubeMPps&campaigntype=shopping&campaign=aaShopping%2520-%2520Core&adgroup=Studio%2520%26%2520Recording%2520-%2520Preamps&placement=google&adpos=1o4&creative=54989553361&device=c&matchtype=&network=g&gclid=EAIaIQobChMIhYbP2MW-1QIV24izCh13RgbmEAQYBCABEgIGqfD_BwE

I’m biting my lip as I write that. I went through The Age Of Tubes and we couldn’t get rid of them fast enough.

I see there are already posts from people looking for replacement tubes. They don’t work forever.

Getting closer…

https://forum.audacityteam.org/t/vinyl-is-waaay-too-loud/38817/1

Koz
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