I bought my tubes from GNP,They are located in Pasadena,Ca.
They sold me a matched set of Svetlana tubes from the Factory. They are burned in for 24 hours prior to usage.
Once the tubes were Installed the bias was checked.
They sold me a matched set of Svetlana tubes from the Factory. They are burned in for 24 hours prior to usage.
Once the tubes were Installed the bias was checked.