John Broskie

Since 1999, John Broskie has been a prolific and influential voice in the world of tube audio circuit design. His website, tubecad.com, boasts over 495 articles, meticulously detailing both established and innovative circuit topologies—many of which are his own creations. This vast and freely accessible resource has earned him a dedicated following. He launched his Patreon in September 2016, and has since cultivated a community of 118 members, with 89 actively supporting his work. While his estimated monthly earnings range from $186 to $2325, the true measure of his impact lies in the breadth and depth of his freely shared knowledge. His unique contribution to the field is his ongoing creation and detailed documentation of new tube circuit designs, providing a valuable resource for hobbyists, engineers, and professionals alike.