1 across. Chaos – turn-up this month? 6 letters.
4 across. Dog – or, when paired with 18ac, loudspeaker. 6 letters.
9 across. Pope. 7 letters.
10 across. Demand and obtain. 5 letters.
11 across. Beginning. 5 letters.
12 across. Good health (Gaelic). 7 letters.
13 across. Dollar abode (anag) – crossbreed dog. 11 letters.
18 across. Bird – or, when paired with 4ac, loudspeaker. 7 letters.
20 across. Scrooge. 5 letters.
22 across. 44th US president. 5 letters.
23 across. Cradle-song. 7 letters.
24 across. Smallest two-digit prime number. 6 letters.
25 across. Stockholm is its capital. 6 letters.