Just not on the right wavelength today!
11A Author - drops second line (4 letters)
16A redhead belonging to girl group ? ? N ?
21A Condemn low-down reversal ? O ? M
25A Dying out, there's no time to be wrong ? ? M ? ? ? L
7D "Hide outside spire" Demi ordered ? P ? ? ? ? ? ? ?
12D Student appealing grade faces delay 3 letters
15D famished Mennonite missed being given food 3 letters
23D Stuff to study before an exam ? ? ? M
24D Money trouble holding king back ? I ? A
Thank you all so much for any help!