Do You Know the Way to Blu?

Audio manufacturers in the home theater sphere fall into two distinct groups. The most distinguished calling cards belong to the audio specialty brands. If you say you’re using B&W speakers with an Outlaw receiver, fellow audiophiles will immediately nod their heads. They know what you’re talking about, and they know you know what you’re talking about.

The vacuum tube has an honored place in the audio timeline. It preceded stereo, the LP, and of course everything digital. When tubes gave way to the solid-state transistor, consumer electronics began its steady march toward lighter weight, lower cost, reduced heat dissipation, and greater energy efficiency. Entire new product categories were born—such as the portable transistor radio, the distant forebear of today’s smartphones and iPods. Solid-state technology further democratized audio in the 1970s as Japan exported mass-market stereo receivers to music lovers on a budget. By the time home theater and surround sound got underway, tubes had long since been left behind by the mainstream. One by one, all the tubes winked out. Or did they?