The fuse rating for 110V is usually twice that of 220V since the current draw @ 110 will is twice. If you don't change the fuse, it may prematurely blow if you play at loud volume but it won't harm the amp.
Rich
Krell KSA-250 Power Amp Internal Fuse
I am just about to move back to the USA after a 3 year posting to Europe. I know how to switch the KSA-250 back to 110V operation, from 220V in Europe. Is it necessary to replace the internal fuse in the KSA-250 when I do this? I can't read the rating on the fuse, so I am not sure.
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