Voltage regulation


I have noticed that my dedicated mains power slowly fluctuates between 124 and 127 volts. Nothing seems to correlate like furnace - refrigerator turning on and off - time - day of the week etc. I'm looking for something that would keep the output a steady 120V without constricting the current. I'm not looking to break the bank but would like any and all suggestions.

The reason I'm looking for this is because I have a tube integrated where the bias goes up and down with the voltage fluctuations.

Thanks
xti16
Xti16,

It could be the Single Impedance Output Transformer in your amp. Have you called the manufacturer or distributor and asked the question as to why this (blowing tubes) could happen?
Thanks Irish - Yes both the distributor and manufacturer both are aware of that problem. They have been very good about tube replacement too. I think I'm on the last step of things to look for and try before sending it in for repair.