Quote:
Originally Posted by Kevin Kuehn
How about leave the defective 50k above chassis for originality, snip the wiring below and add a modern replacement under chassis? It's no more sacrilegious than changing caps. The filter choke, who knows, you'll find out if it's good once you trace the wiring or fire the set up under load. These things are so old that the copper wire used had impurities along with not so good insulating varnish which allows the wire to oxidize and corrode open over time. Same issues with the stage coupling transformers. The finer wire winding's are most subject to corroding open.
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Ok, thanks! I might just do that. What wattage should I use for that plate resistor? They didn't specify a wattage in the service manual.
Also if the filter choke is bad, could I just replace that with a resistor?
Thanks.