Technical Information

Part Number recommendations for output transformers

Application Note 01. High Voltage Power Supply. Design Considerations

Application Note 05. The White Spark Problem

Application Note 06. Center tapped heaters (V4 tubes)

Application Note 08. Grid Voltage Measurement Methods

Power Supply Design Note-2

Techical Bulleton TB 01. Getter Materials

Techical Bulleton TB 02. Filament Quality

Techical Bulleton TB 03. Current Source Supply for the Filament

Techical Bulleton TB 04. Mains Voltage problems and solutions

Techical Bulleton TB 05. Heater Voltage vs. Tube life

Techical Bulleton TB 06. PX4 Confusion Resolved

What makes good "tube sound"?