[Amps] Restoring DX-100
Bob Good
k4bg at planters.net
Sat Jan 15 07:56:21 PST 2011
Gentlemen, I learn daily from all the interesting posts. I now have a question. I am in the process of restoring a DX-100 and am ready to apply high voltage. I have only run filaments so far. I am aware that the rectifier filaments have to be hot before they will conduct to the capacitors and the same transformer supplies the filament as well as the low voltage stages. I have a Variac in line. Since it is a common transformer supplying both filament and LV, I do not know how I am going to slowly bring up the voltage to the electrolytic since I have to have full filament voltage.......The same goes for the HV to the finals and modulator. In my old age I have perhaps forgotten some of what I am supposed to know. Just trying to do it correctly. Any suggestions would greatly appreciated. thanks and "73, Bob K4BG
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