![Electro-Harmonix on Twitter: "Caption this photo of Mike Matthews, EHX founder and president, at NAMM 2017. https://t.co/teiPYQuXMN" / Twitter Electro-Harmonix on Twitter: "Caption this photo of Mike Matthews, EHX founder and president, at NAMM 2017. https://t.co/teiPYQuXMN" / Twitter](https://pbs.twimg.com/media/C20L0F7VIAAFgmp.jpg)
Electro-Harmonix on Twitter: "Caption this photo of Mike Matthews, EHX founder and president, at NAMM 2017. https://t.co/teiPYQuXMN" / Twitter
Electro-Harmonix - EHX founder and president Mike Matthews with Dave Locke at summer Namm | Facebook
![John Frusciante, Jack White, Emily Wolfe and Peter Frampton pay tribute to Electro-Harmonix founder Mike Matthews on his 80th birthday | Guitar World John Frusciante, Jack White, Emily Wolfe and Peter Frampton pay tribute to Electro-Harmonix founder Mike Matthews on his 80th birthday | Guitar World](https://cdn.mos.cms.futurecdn.net/oDpiqsCcYypqPJ4h2N46oB.jpg)
John Frusciante, Jack White, Emily Wolfe and Peter Frampton pay tribute to Electro-Harmonix founder Mike Matthews on his 80th birthday | Guitar World
![Electro-Harmonix founder Mike Matthews with a painting of the Electric Mistress Flanger from the original ad that… | Guitar effects pedals, Mistress, Guitar effects Electro-Harmonix founder Mike Matthews with a painting of the Electric Mistress Flanger from the original ad that… | Guitar effects pedals, Mistress, Guitar effects](https://i.pinimg.com/originals/1a/2f/02/1a2f028ace41dd166f261f1f3118d6e0.jpg)
Electro-Harmonix founder Mike Matthews with a painting of the Electric Mistress Flanger from the original ad that… | Guitar effects pedals, Mistress, Guitar effects
![Electro-Harmonix on Twitter: "Happy Thanksgiving to the world's best fans and musicians from Mike Matthews and the entire EHX crew! https://t.co/mHf00vVhUO" / Twitter Electro-Harmonix on Twitter: "Happy Thanksgiving to the world's best fans and musicians from Mike Matthews and the entire EHX crew! https://t.co/mHf00vVhUO" / Twitter](https://pbs.twimg.com/media/EKd_D-3XYAANOwK.jpg)