Tuned to Deliver the Renowned Rectifier Sound The Rectifier® 1x12 is a sealed, closed-back cabinet tuned to deliver the renowned Rectifier sound of 2x12s and 4x12s in a compact 1x12 format. Sealed cabinets can deliver tremendous punch and low end resonance, making them the preferred choice for rock, alternative and metal styles of music. The Recto 1x12 features the same cabinet depth as its bigger brothers, which enables it to produce the impressive gut-punching bottom-end that the Recto is famous for, even in this otherwise compact 1x12 format. You simply won’t find a better cabinet. ALL MESA® ENCLOSURES are made using the finest Void-free, Marine Grade Baltic Birch. Super strong rabbet corners are glued and nailed. Speaker baffles are fitted with superior dado joint construction and braced. Grilles are wrapped around a separate grille board, not the baffle board. Grille material is made of strong twisted jute dipped in a special coating that filters top end for a sweeter response.