How a phone call to the Seattle Seahawks in 1984 became a $552 million machine for the T-shirts, tumblers, and bobbleheads that carry the world's biggest brands.
A former Boeing engineer built a mixer he could drop off a table, priced it for people who play bars for beer money, and turned durability into a business model. Here is how Mackie kept selling ruggedness while the audience moved from the stage to the bedroom.