According to schematic SSS_2,  the anode voltage (E) on the 12AX7 tube V7 (PI/CF) will be apx. 450V,  this is 50% over the tube design voltage. Is that OK???
It works! but can the tube handle this over time??
Can somone with experience answer this??
			
			
									
									
						SSS_schematic_2, Anode voltage PI /CF "HELP!"
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