Grumpy Old Geeks Products Marpac Dohm Classic Product Marpac Dohm Classic 2 mentions in 1 episode A white noise machine described as using a real fan whose sound can be adjusted. Mentions 342: Fortress of Loneliness May 6, 2019 1:13:22 the Marpoc Dome classic white, white noise machine 1:13:55 it is an actual fan