Foote Control Systems P4S Bus Compressor - $2,800

P4S Bus Compressor Serial Number 002 Another fantastic Roger Foote compressor! This is a prototype from when he was developing his idea for the P4S.
All of the switches are rotary type except the HPF.
The Rotary controls are similar to any compressor.
The switches are as follows: 1- Peak / RMS (Selects between Peak or RMS modes.
Peak enables the Attack and Release controls) 2- RMS2/RMS1 (Selects between normal RMS (RMS1) and double speed RMS (RMS2)) 2- Hard/Soft (Selects between soft knee and Hard knee) 3- Vintage/Modern (Selects between Vintage (feedback) or Modern (feedforward)) 4- Compress/Bypass (Selects Compression or full Bypass) Modern is feedforward detection Vintage is feedback detection In Vintage mode, the gain control interacts with ratio.