single end round or flat


I  now own a pair of Martin logan Ethos Electrostatic speakers & use a Krell KSA150 amp Can any one tell me what cable will sound the best  thank you GL
geleary123
thank you for your  educatuted feed back  Some people  unfortunately have nothing good to contribute to this forum   Best of Health to you all in this new world  G B A 
I am running a set of 13As with set of Silversmith Fidelium cables and am quite happy with them. Pass labs amp. FYI