Quote:
Originally Posted by Electronic M
I've been running a CTC-15 clone as a daily driver straight from the line for about 5 years. The first two were in an area where the line voltage ran high probably 120-125, since then it is usually 117 give or take 6 volts. I've never had a problem with the fly going into over-current....Granted I did monitor and dip the cathode current by adjusting the linearity coil (which is probably a better way to control it than a variac).
If you are worried about overheating the fly adjust the lin. coil for min H out Tube cathode current and leave the HV cage door open for ventilation.
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You are right. The cathode current must be adjusted for proper dip. If this is not done, The current will run high no matter what the line voltage is. Still, Why beat on the set if you don't have too. He want's to use the set as a daily driver and the variac will give him some added protection. Running the set at the line voltage it is rated at.