HEATHKIT IT-28, capacitor checker
I managed to acquire one of these rather inexpensively, it's in good working order according to the seller, although I suspect to get it calibrated
I'll have to replace the electrolyte capacitors, and check the vacuum tubes. These are handy things to have, they read capacitance by inserting the
capacitor into a bridge circuit that reads by lighting up a "MAGIC EYE" vacuum tube fully when your dead on the capacitance. They can also check a
capacitor for internal leakage and shorts (that's what I want it for). It's allot easier than having to rig a power supply, connect a volt meter,
charge, look for swing, etc.
I also have a restored VTVM, and a restored EICO 666 transconductance vacuum tube tester as well. I think I might put up a sign at the local
guitar center advertising for amp repairs.
History is repeating itself.
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