A person who is fixated on good home theater sound in a practical sense, without regard to snake oil products or marketing gimmicks infused with pseudo-science. Audioholics are aware of, and value, measurements when evaluating gear, though ultimately purchasing decisions are made with the ears. They differ from audiophiles in that they enjoy multi-channel surround sound and are less susceptible to ultra expensive components that "command" respect solely based on price and prestige (or a psychological desire to justify your lavish audio expenditures).
Oh he would never buy speakers cables at $5000/pair, he's a dedicated audioholic who knows better.
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. PenguinBooks,1992. p. 38)