I notice you’ve mentioned “sone 134” — but it’s not immediately clear what product, service, or context this refers to. “Sone” could relate to acoustics (a unit of perceived loudness), or it might be a model number, product code, or even a misspelling of “zone” or “sonic.”
He explained, in fragments that fit together like mismatched tiles, that Sone 134 was a seam in the city—a place where the ordinary fabric thinned and the threads of other things poked through. People came and stitched their questions into those threads and sometimes, if they were bold or foolish enough, took something back. The maps were records of such changes. Some had used them to remember lost names; others to forget; a few had accidentally traded winters for summers and never quite got their timing right again. sone 134
While you won't see "134 sones" listed on a consumer product label, you will find industrial and pro-audio equipment with equivalent loudness: I notice you’ve mentioned “sone 134” — but
You cannot directly measure sones with a basic sound level meter. Instead, follow this two-step process: The maps were records of such changes