3 Series

Rediscover the beauty of classic Pioneer design with ATO Audio’s custom wood cases, handcrafted to enhance and protect your vintage stereo receivers. Each case is built from premium walnut plywood for an authentic, timeless look that complements Pioneer’s legendary sound. Designed for perfect fitment, ventilation, and durability, our enclosures elevate your SX-series receivers — from the SX-3500 to the SX-3900 and beyond.

Whether you’re restoring your favorite system or displaying your collection, these custom-crafted cases offer the ideal balance of style, protection, and performance. Choose your model, select your finish, and give your vintage Pioneer the refined, handcrafted home it deserves.