: A classic "totem pole" design where tubes are stacked to pull the signal positive and negative.
Standard tube amplifiers use large iron-core to bridge the gap between high-voltage tubes and low-impedance speakers. A "tranny free" or OTL design removes this component, connecting the vacuum tubes directly to the speaker or headphones. tube tranny free
: Common industry slang for a transformer (not to be confused with transistors). : A classic "totem pole" design where tubes