Nestled in a neighborhood by the San Luis Obispo railroad is Jan’s Place, a small vinyl bar serving local beer, wine, cider and fresh beats. Its walls are dazzled with strategically placed acoustic soundproofing, a turntable, seating for 20 and an impressive array of records spanning all sorts of genres. Jan’s Place is “a space where the acoustics are so good that you can sit and listen to music and have a conversation, both at normal volumes,” its website says. “Cozy, not loud.