Everything works fine, the shaver does - probably - because of the new knife silent / quiet.
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Supplement of 28 June 2014: Only one star.
Unfortunately, my enthusiasm has settled quickly after purchase: The new blade is dull now after less than a year and shaved not good as the original diameter. The sharpness of the new form does not seem to last as long.
I try not to set an image of the new knife block.
My recommendation has been to buy only the original diameter.