I hope I didn't jump you there Bill... I didn't know the answer and the question made me curious so I went looking.I take it that information is correct??
Don't ever worry about 'jumping' me to answer someone's questions... hey, sharing info is what this is all about, right?
You're correct as far as I know. I didn't know about their concern for competition with the Fibes drum (although that makes good sense for the times), but definately they came with it to compete with the Dynasonic and Supersensitive. Premier had one (2000 Flo-beam, or something like that), and even CB700 had one ('cause I've got one that's needing parts!).
Rob Cook's "The Slingerland Book" has a couple of really good diagrams of all the parts for the two types of TDR assemblies. One had individual adjusting snares (like the Ludwig Supersensitive), the other did not. The one that didn't, according to Rob Cook, stayed in production until the mid-1990s.
Bill