Bogner Helios 50 watt head - musical instruments - by owner - sale - craigslist
1982 Marshall 2204 with Reinhold Bogner Mod from the 80s | Used by Mathias Dieth of U.D.O. , Sinner and Gravestone | Has anyone ever played a Bogner modded Marshall before? : r/metalguitar
Bogner Uberschall Mk2 150-watt Tube Head | Sweetwater
Marshall 100 watt Master Model modded by Bogner 1977 black | Reverb