GS1U-052 Headphone Amplifier for Adding Cue Program

This is a 1U mains powered subrack.
It is designed to economically add a return cue program source into a headphone circuit from a mixing desk.
There are 2 audio inputs to the subrack on rear panel XLRs. 1 input is standard electronically balanced mono. The 2nd input is unbalanced stereo.
There are 2 inbuilt headphone amps with the outputs on front panel jacks (A or B gauge). Each headphone amp has it's own level control and is designed to run medium to high impedance headphones.

Block Diagram of GS1U-052
Panel Views of GS1U-052