And while de Forest spurned his father's hopes that he would become a pastor, there's irony in the fact that many of today's pastors rely on de Forest's invention every Sunday. The American inventor, Lee de Forest, is credited with inventing the first power amplifier in 1909. Power Amplifiers: The Source of Live Sound Marching Percussion Accessories Shop By Category Guitar Workshop Keyboards & Synthesizers Shop By CategoryĬase Finder Drums & Percussion Shop By CategoryĬable Finder Microphones Shop By CategoryĬase Finder DJ Equipment Shop By CategoryĬable Finder Band & Orchestra Shop By Category Case Finder Live Sound & Lighting Shop By CategoryĬase Finder Software & Plug-ins Shop By Category
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