Langevin AM-419AM Output module

The Langevin AM-419AM is a specific variant of the standard AM-419 booster module that includes four built-in output volume indicator (VU) meters. [1]Module Overview

• The "M" Distinction: While the baseline AM-419 / AM-419AC provides four independent rotary level controls to recover insertion loss across four channels, the AM-419AM configuration mounts four matching meters directly onto the module face or bridge assembly to monitor those four output busses simultaneously. [1, 2]
• Console Placement: In a typical late-1960s Langevin AM-4 console architecture, this module functions as the master visual and gain bridge. The outputs of the four primary master summing channels feed straight into the four VU meters on this module to monitor final mix and tracking levels. [1, 2]