Surge protector


Hello all. Just need some advice on a surge protector for my amp and preamp. A few months ago we had a thunder and lightning storm. It blew out my ac condenser in my central ac conditioner. Now am worried about that happening to my ARC Ref 6 preamp and my Krell FPB 600 amp. Right now they are on a dedicated 20 amp line that both my amp and pre are using. I listen to my system practically everyday and leave my amp on stand by all the time. My amp and pre amp. I really do not want a surge protector with a power conditioner as I have read that the Krell FPB 600 sounds best the life expectancy lasts longer if plugged directly into electric receptacle. Would I loose any Sonics from a surge protector? Should I just unplug the amp and preamp when I see a storm brewing? But then what if I am not home to unplug? Any advice would be appreciated. Thanks to all. Cheers. 
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I used a Krell FPB600 for 12 years with no trouble. Day to day: on standby. On ca an hour before serious listening. Thunder storms, or going away for a period: unplug the amp. Great amp btw!
Would a whole house surge protector diminish SQ?

You could look for a used Shunyata Hydra. I've used the second gen 4 & 6 for years on my entire system. They improve the sound and work like a charm during storms.
BTW, those Hydra's use a high quality Carling circuit breaker...no fuse.