Never heard anyone talk about that.
Educated but a where-did-you-go-to-school guess: Probably very similar weights in same shell sizes. The shells are a smidgeon thinner on the Designers, but the wood is denser. Only other obvious difference is the mounting systems.
Not designed for small weights, my bathroom digital scale says the 10" Designer tom weighs 7.8 pounds. By comparison the Classix tom weighs 6.2 pounds.
As far as weight goes, after twenty years of lugging Signatures, the Designers feel very light weight to me.
Though compared to the Classix, which will blow over in a mild breeze, the Designers are quite substantial. If this is a shipping question, much will depend upon the bass drum tom mounting system.
