I've bought a brand new integrated by Mistral. It has 4xEL34, 2xECC83 and 2xECC82. I noticed that when switching on one of the small valves glows very bright for a fraction of a second initially then goes back to normal. The other three are always normal. I thought this might be a function of the cheap Chinese valve but when I switched to NOS valves (all except the power valves) the new one does the same.
Does anyone know what the most likely cause is? If it was both of one type I would presume it's just part of the design but as it's only one of them (presumably in one channel) then it doesn't seem right. Should I be worried, at least about valve life if nothing more?
Thanks in advance for any advice.
Sent from my POT-LX1 using Tapatalk