AUDIO TELEX, Mixer, models:

TX 4000-2	Brochure
TX 8000-1	Brochure
TX4000	Datasheet
TX4000-1	Operating Instructions
TX4010	Datasheet
TX6000	Specifications Operating Instructions
TX8000	Specifications Operating Instructions
TX8000-1	Operating Information
TX8000-2	Operating Instructions
TX8201	Specifications