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That resistor feeds the screens on the RF, converter, and IF tubes. What voltage do you have on pin 6 of the 6SK7? It should be 80V. According to the voltage chart that resistor (4000 ohms) would be dropping 175V down to 80V which is a dissipation of about 2.25W. It would be best to have a 5W resistor there. It probably will get pretty warm.
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Sean - WØKPX
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