Shop the best selection in the industry for new, used & vintage recording consoles & sound mixers. Neve, API, SSL, Trident, Rupert Neve & much more. An extremely rare, vintage early 's Yamaha Ensemble EM six channel mixer, amplifier drum machine with original, matching ES . Save money on Used Yamaha Mixers at Guitar Center. All pre-owned items are rated and scored. Buy online or at your local store today!