One worshipped in Egypt, first out of large singing group (5) B _ _ _ _
PC equipment not hard to switch over (5-2)
University fellows hog food? (4,5) - couldn't be PIGS SWILL, could it? - no idea why if it is!
Plotter in Baltic city surrounded by explosive (9) T _ _ _ I _ A _ T
The Egypt clue = HORUS is perfect
HIGH TABLE - not sure about this as it doesn't fit with another clue I'm sure is right, however will bear it in mind
PC equipment = the answer fits nicely, but I don't really get the PC reference, knowing nothing about computers
Thanks all! - I may be back if I get stuck again! :O)