Positive Feedback readers with an analog attitude will likely have taken special note of Myles B. Astor's extensive evaluations of both the Audio Desk Systeme and the Klaudio ultrasonic record cleaning machines. While the two machines have significant differences in how the ultrasonic technology is utilized, they share both the basic "toaster" form factor, and—how'd you guess?—the same price. $4000. ... Read More »