Granite City 2 ==> heathkit tri power supply

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This is a Heathkit tri power supply. Supplies up to 5.5 amps of clean DC power up to 20 VDC. Regulates voltage with a fine knob up to 20V DC. Works perfectly, I tested it with my digital multimeter. (see pictures). The readings on A and B agree spectacularly.

I also have a systron donner power supply, check out my other auctions.


(Click on the thumbnail images to enlarge)

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