First, I had to crank sharpener Dahle (155), which is in itself already very good. If you, however, just in the middle of a vertrakten drawing brings a cranking but always from the river (not too bad, but still noticeable).
When my in-laws, I then tested for the first time an electric sharpener and found the whole thing pretty good, just have the most E-Spitzer the unpleasant component of a Pomeranian blade. Just softer mines break here quickly because they can tilt.
That came with me frequently from the strength 3B.
The router prevents the addition the Dahle 230, the tip is pleasantly long, so one more than at other sharpeners has a fine-tipped pen available -. This saves material!
For complained volume I have to say that I am not overly disturb them, but with 3 kids, like a Rezensientin that can annoy quite, I see that.
I've now got my Spitzer almost 4 years ago by my in-laws birthday and used it extremely lively, without any disturbance and the batteries (4x AA), I first had to go - as I said, in part daily hours of use!
I think what looks like interference, is easy to explain: The Spitzer aht installed a backup, with the thing does not work, should the Pomeranian garbage lid be not completely closed. That comes every now and then before, just after emptying, as you just have a little more vigor ran again.
Conclusion:
A great part of people with high Spitz needs and high standards of the same.
It is definitely worth the money, in my opinion.