Bogner Amplification Helios 50W Handwired HeadTo celebrate our 25th year anniversary Bogner Amplification releases the HELIOS amplifiers. Truly a sonic time machine, HELIOS features hand wired construction with two foot switchable channels and foot switchable FX loop boost. Available as 50 or 100 watts with EL34 power tubes. After countless requests Reinhold Bogner revisited his vast amount of detailed notes that go back in time from three decades of archiving, modifying and designing amplifiers.