Our buddy Joel from BBG took a field trip to Electro-Harmonix’s main lab and test facilities , where they design their legendary music effects pedals and maintain the world’s largest vacuum tube business. Sure there isn’t a whole lot of mainstream demand for vacuum tubes these days, what with those fancy solid state electronics everybody’s been talking about, but in certain audiophile circles, nothing beats the clean boost of a tube amp. Electro-Harmonix manufacturers 2/3 of the world’s new vacuum tubes, and stockpiles any rare tube stocks they can find in their Long Island City warehouse, where they extensively test and pair them before shipping them off

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Inside Electro-Harmonix, Makers of Fine Big Muffs, Vacuum Tubes and More [Video]