Last two.
10a Flat sound comes from this through loudspeakers etc. P?m?a . Not totally convinced that the a is correct -it comes from 8d She heartlessly supports one separating identical twins . I think answer is siamese but can't see wordplay.
5d Stories about major fraud haunt royal distiller (6,9). L?e?i? condenser . Have tried numerous crossword solvers but they claim no word L?e?i? exists!
Thanks