Quote:
Originally Posted by Analog Addict
Great shape cosmetically and electronically are two different things. I also picked up a used Hickok (533) a few years back, and had it restored and professionally calibrated. Assuming it uses the same rectifiers, your 600 would use a 83 and a 5Y3 rectifier. First thing I would do is replace the rectifiers with known good ones, and potentially replace any electrolytics while you're underneath it. Then calibrate it or get it calibrated. Get a calibrated reference tube as well. Typically the Hickoks use a 6L6 as their reference calibration tube, although I use a 45 that measures exactly at 100%....
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AA,
Thanks for the advice BTW. I re read my previous post and it reads a bit less than gracious. Anyway, where do you suggest getting the reference tube? I see Brent Jesse has a 6l6 but he seems to want a good amount for one. Likely the going rate retail.