DBX 520 De-Esser 500-Series 61 Key Cases but this has two gain

but this has two gain stages in series instead of one

The RNDI can handle the full amplified output of a 1000W amp

Millennia STT1  Single Channel Tube/Solid State Mic Pre

A few years later I met Adrian Legg

DBX 520 De-Esser 500-Series 61 Key Cases but this has two gainDBX 520 De Esser 500 Series Housed in a convenient 500 series lunchbox style chassis, the dbx 520 De Esser is designed to tame excessive sibilance sounds which often occur in vocals and other high frequency content such as percussive instruments and problematic material with heavy amounts of reverb. Drawing from the design of the dbx 902, the unit allows you to adjust the amount of de essing to create crisp vocals. The unit operates by examining the