412 MESRCT AP-512 acoustic First produced in 1952 and

First produced in 1952 and reaching its definitive form in the 5F6-A circuit of 1957

Eight 10-inch speakers arranged in a sealed enclosure produce a tightly focused low-end with strong upper-mid presence — the configuration that lets the bass cut through dense rock arrangements without smearing into the kick drum or the rhythm guitar

Angus Young

vintage-inflected alternative

dated 30 March 1966

412 MESRCT AP-512 acoustic First produced in 1952 andAbout the Mesa Boogie Rectifier Armor Cabinet Captured through API 512c Sealed 412 4 Celestion G12 Vintage 30 (1995) API 512c preamp American Boutique Mesa Rectifier Armor (API 512c) The Mesa Boogie Rectifier Armor Cabinet is the sealed 412 enclosure built around Mesa's Rectifier amplifier series closed back construction with reinforced touring grade hardware, voiced for the focused low end response and defined transient attack the high gain Rectifier