KLH model 9 electrostatic Speakers


I just bought the above speakers, I like them a a lot , I am thinking if it’s possible to replace the power cord on the power supplies. On this speakers? Thanks B
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Mijostyn, it blew me away the KHL 9 diasappear, yes , it’s all music, no speakers.Very dynamic.This KHL 9 are own by The late Dr Close, they are in very good shape, He modified the power supplies.The sons are so nice to deal with.
Fiesta 75 , when I have my Martin Logan request , MIT z cord did improve the sound, and a regular Kimber pc , also did improved it, Can I just use an ordinary 2 prong pc? 
Fiesta 75 I have Viva integrated 17 w , I use to used this amp on my Andrea Eggleston 87!db speakers on low level volume, can I try to use it on my KHL 9 speakers too?
Fiesta Viva 300p is just doing fine on the nines, lovely music is coming out of the nines, the volume is set Between 9 and 10.