Hope the following is of some help - I need to sleep.......
CD to Pre Amp
Analogue UNBALANCED uses Phono to Phono stereo lead
Analogue BALANCED uses XLR to XLR lead
Digital could use Optical - Fibre optic cable : Coaxial - Phono to Phono lead (onelead only) : AES/EBU - XLR to XLR lead
Pre Amp to Amp
UNBALANCED Phono to Phono
BALANCED XLR to XLR
Amp to speaker
2 core speaker cable, might have Spade , 4mm banana, bare end, Speakon connectors on ends of cables.
Hope thats of general help to you,
Not sure which connector is called what - Please google or ask others,
I must sleep,
Andy.