The Ronson's Noise
I have 2.5 Cook 'N' Stirs and I think they're amazing. I'm also looking for a replacement carafe. These machines are noisy. However, they're not nearly as noisy as my vintage Osterizer or my new Cuisinart blenders. It has a 1/3 hp motor and it's geared like my Kitchenaid mixer so it sounds more substantial but I don't think the decibel level is higher than any other blender. Blenders, as a rule, are noisy. The Ronson's motor and transmission is mounted on rubber bushings. On my HB 2, The motor and transmission are unattached and just float on the bushings. It's actually surprisingly quiet when blending on high.
There are a lot of years and a lot of technology between a Ronson and a Thermomix. Thermomix has a reversing reluctance motor and has been developed over many years by German engineers. There's also about 2 thousand dollars between the Thermomix and the Ronson. The Ronson doesn't have a butterfly attachment so it will not whip egg whites or cream, make meringues, etc. However, it beats the pants of the Cuisinart for pastry dough, works like the Thermomix for pastry cream and custards, makes soup in as little in 15 minutes, toasts and removes the skins from hazelnuts. I tried the Thermomix ice puff pastry recipe. It came out perfectly in the Ronson. For microchip-free 1960s technology, it's phenomenal.