Power Cable for VAC

Any of you using power cable on a VAC 30/30. If so what do you recommend?
i have used a kimber for 6 years on my 30/30 and am quite happy but find the tubes are much more of a factor than anything else.
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call cable company they are very experienced people.i got very good advice from them for my all cables.
Rogersally, thanks. I'm interested in your tube experiences with the 30/30. Thanks.