The Ultimate 80s Metal Amp - Bogner modded Marshall - YouTube
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