| TURNTABLES | DJs' devices ... and a hint to this puzzle's circles |
| STOCKHOLM | In which host city were electronic timing devices and a public address system used for the first time in the Olympic Games in 1912? |
| HIDDENMIKE | Covert listening device, and a hint to the circled letters |
| BALLRETURN | Bowling alley device, and a hint to the hidden word in each starred answer |
| UNRETURNABLE | Like an ace French figure on heartless DJ's device |
| PHONO | DJ's device |
| CROSSFADER | DJ's device |
| FUELGAUGE | Dashboard device, and a hint to the starts of 18-, 23-, 38- and 50-Across |
| SPIT | Which word means both a roasting device and a narrow strip of land sticking out into the sea? (4) |
| CHANGEOFPACE | Deviation from a normal routine, and a hint to this puzzle's circles |
| LIFECHANGING | Influential in a big way ... and a hint to this puzzle's circles |
| MIXEDNUMBERS | 5A½ and 8A¾, e.g. ... and a hint to this puzzle's circles |
| CHANGEOFVENUE | Request from a trial attorney, and a hint to this puzzle's circles |
| CLOSINGTHEDOOR | Refusing to consider further, and a hint to this puzzle's circles |
| URBANSPRAWL | Uncontrolled development around a city, and a hint to this puzzle's circles |
| RRXING | Intersection with flashing lights and bells, for short, and a hint to this puzzle's circles |
| WILDCARD | One of two baseball playoff teams determined next week by a "play-in" game in each major league, and a hint to this puzzle's circles |
| FORECLOSURE | Defaulting on a loan may result in it, and a hint to this puzzle's circles |
| ALTEREDSTATES | 1980 sci-fi thriller, and a hint to this puzzle's circles |
| CROPSUP | Appears unexpectedly, and a hint to this puzzle's circles |
