MP10es owners, does this sound normal?

[heuerfan]

Just wanted to hear from mp10 owners if this sounds normal. I'm on my 4th week of owning this pump and wonder if this hum will go away or if its normal. The hum only occurs when it is running over 50%.

Please turn up your volume to hear.
http://www.flickr.com/photos/13519513@N03/4665482240/

Thanks,
Steven

 

[anthony27]

they said give the pump some time to break in. I hears it to but it is normal

 

[CHEMCHEF]

Normal

 

[heuerfan]

Okay thanks guys.