Yes, "transducers" was the term I was looking for! As a matter of fact, running through the photos at sites I was given, I think the lower end items of AURA's "bass shaker"s are exactly what I've used in the past.
Thank you all for the references. Frank, thanks for the note on PD-ot. I can't believe I've been missing out on it all of these months. On my way to subscribe now. -- David Shimamoto _______________________________________________ PD-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list