Hello Chris,
I am planing to visit Vienna end on April
(Lisa Stansfield concert) aka (http://www.2rad-shop.at)
Also there is a rep office of Hiddenpower G.m.b.H http://www.hiddenpower.eu
Their elec I had in mind, send them a email got response no valid recipient email exists?
Since you’re already on location you may already had soem contact with them?