This is a file copy from the original H/K Lead Industrial Designer at the time who was responsible for arguably some of the most iconic and classically designed audio products.
Includes the Citation line, HK2000 cassette deck, Rabco ST-7 turntable and multiple receivers along with the A401 pre amplifier.
He also designed this brochure that is a 6 section accordion fold with color pictures with descriptions on one side and specifications on the other. File copy with only minor signs of age mostly a couple of small marks at the top of the front. About 3 3/4″ x 8 1/2″ folded and 8 1/2″ x 21 1 /2″ opened.