GS4U-011
This is a monitoring unit housed in a 4U subrack.

FEATURES INCLUDE:
12 electronically balanced stereo inputs including 1 ring main (which provides a further 12 inputs) all of which are selectable to matrix output, LS outputs and an internal LS
Monitoring is via two twin needle PPMs which can each monitor a separate source.
Stereo desk inputs and stereo tone inputs, switchable with TB (via front panel mic) to separate stereo line outputs, record outputs, and desk outputs.
Separate stereo electronically balanced inputs feed a front panel headphone socket..
Also included is a simple telephone switcher.
All inputs and outputs are on varicon connectors.

Block Diagram of GS4U-011

Front Panel View of GS4U-011