Janame serger question

I also posted this question over at alt.sewing. Tonight I went to Hancock Fabrics because their sale starts tomorrow and I wanted to know exactly which fabric I want to buy. I also looked at their Janome 3434. Since the manager was starting to change the registers over to the sale prices, she said I could go ahead and get what I want at the sale price. Hooray!!! Janome for $189!! BUT it is SO VERY LOUD!!!! What can I do to make it quiet? I placed a mouse pad under it, then added a pad of upholstery cloth. Any other suggestions? If not, it will go back to the store in the morning, : ( Thanks, Barbara in SC