04-27-2019, 04:59 PM
How are your voltages?
Yes, yours got hot. Most common issue is bad filters, but what I have also seen is low or missing bias on an output tube. Amazing that they can conduct enough current to cause the PT to overheat, but tubes like a 42 (6F6) can.
Yes, yours got hot. Most common issue is bad filters, but what I have also seen is low or missing bias on an output tube. Amazing that they can conduct enough current to cause the PT to overheat, but tubes like a 42 (6F6) can.