I think 1967, due to a printer's code on the back cover.
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The Heathkit IG-1272 Audio Generator Signal Voltage Generator is a vintage unit that powers on. It was manufactured in the United States and is a rare find for collectors of vintage audio and video equipment. The unit quantity is one and it is designed to generate audio signals and voltages for testing and calibration purposes.
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This is ES-600 is in very nice condition, but I have no way to know if it actually works. Very clean inside. There is a small dent in top of the cabinet (see photo). Note that the computer is not included.
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Heathkit IG-1271 assembled, from a university.
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All four of these units powered on. I am unable to test, but they seem to be in really nice cosmetic and working condition. I did test the sine wave and square wave module, and that does work. Super cool and getting more rare items. Please feel free to ask any questions and throw me an offer.
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Whether you are a seasoned collector or just starting out, this item is sure to be a great addition to your collection. I try to research each item and now and then I get it wrong. You will get what you see.
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It is perfect for anyone looking to add a unique and functional piece to their collection. The device has been well-maintained throughout its life and is in great working condition.
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