Yantra Material Action stands among the most significant documents of early Merzbow. Recorded during 1981—a watershed year that also produced Collection 010—this album captures the project at a moment of intense creative ferment. The "Yantra" concept, drawn from Hindu and Buddhist traditions, refers to geometric diagrams used as meditation aids. By invoking this concept, Akita signals his early interest in spiritual and philosophical frameworks as organizing principles for sonic chaos.

This recording was scheduled to be released as the first self-produced record by influential Japanese music magazine Fool's Mate, but that plan was ultimately canceled. The Archive Series finally gives this crucial work the presentation it deserves—essential for understanding the spiritual dimensions that have always informed Merzbow's practice.