No, the new Ascent series blenders are designed with the latest Self-detect technology which means a compatible container needs to be properly placed for the blender to work. As far as tampers are concerned, if you have a tamper that is compatible with Vitamix G-Series or any 64-ounce low-profile container then you can use the same tamper. The old containers will not work with the new machine but the tampers remain the same.