I found this fairly straightforward. Solving time: 16 mins.
In line with recent practice, will note a fairly small number of what may have been the trickier clues, but happy to explain others if asked.
* = anagram < = reversed
ACROSS
1 AA C (about) HEN
11 SEPTA (tapes)* Plural of septum
14 ILL E GAL
16 SAMISEN hidden – a Japanese guitar
25 AV (Authorised Version – King James Bible) OUCH (That hurts!) You sometime see ‘ow’ for that too
DOWN
5 (l)ARCH Pollarded = take the top off
13 PIL (lip<) CHARD
21 UTAH Hidden reversal indicated by ‘up’
Thanks to NMSINDY for keeping this going! My Sheffield friend has just won his 4th or 5th Oxford Dictionary, so it looks as though they could do with a few more entries! All feedback very welcome!