Released in 1974, the original MXR Phase 90 was one of the company's first pedals and helped solidify the brand as a staple on pedalboards worldwide. The first Phase 90s came with the coveted script logo, but MXR swapped it for the block logo in '77. Whether you're using it to get Van Halen's "tone in a box," or building out your own sound, the Phase 90 is one of the most popular phasers on the market for a reason.