For all you guys looking for an affordable, full-range electrostat, mosey on over to this link:
http://www.curtpalme.com/ESL05.shtm
Seems like a hobbyist branching out. He doesn't even seem to own a decent measurement setup. He was asked for frequency plots, and had none.
http://www.curtpalme.com/ESL05.shtm
Seems like a hobbyist branching out. He doesn't even seem to own a decent measurement setup. He was asked for frequency plots, and had none.