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NOTE: the website is currently near its capacity limit. Some operations (uploads, downloads) may be intermittently unavailable while I work on the problem. Please be patient, hopefully this will be fixed soon (March 16, 2024).

Update February 23, 2025: My ISP regularly makes changes to the setup of this VPS, which causes some parts of the entirety of the manuals pages to break, as it did for the last week or two.

I apologize for that. At the moment, it is repaired... Hold your breath.

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Current Directory: /06 Misc Test Equipment/Heathkit
Click on a File to download or a Directory to open	File Type	File Size
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Heathkit IG-18 audio gen schematic hires	PDF	3.2M
Heathkit IG-18 audio generator mods Lafferty 2010	PDF	1.9M
Heathkit IG-18 audio generator mods TAA 1971	PDF	3.1M
Heathkit IG-18 audio generator schematic	JPG	792K
Heathkit IG-18 audio generator schematic	TIF	2.0M
Heathkit IG-18 manual	PDF	3.1M
Heathkit IG-5218 manual	PDF	3.3M
Heathkit IG-5218 schematic	GIF	56K
Heathkit IM-16 SS VOM schematic	PDF	88K
Heathkit IT1121	Directory
Heathkit OS-2 Oscilloscope Service Manual	PDF	7.2M
Heathkit V-7A VTVM schematic	PDF	48K