6m/4m Discovery64 PA (GS35 tube)

The new version of the 6m/4m Discovery uses a Russian GS35 ceramic triode valve. This rugged triode valve will operate for long periods at an output up to 1500W. The output stage is a Pi/L network with a tuned input circuit. A heavy duty toroidal transformer and voltage doubler board produce 3600V. The valve is…

HF SuperPacker Pro 100W Amp

This project is designed to walk you through the build process step by step. We welcome first-time builders. Let us help you be all that you can be. The project parts and your efforts will provide you with a compact linear amplifier for use with QRP SSB/CW transmitters on the amateur bands 160 through 10…

Millinium HF Linear Amplifier

· Fully microprocessor controlled HF Linear Amplifier. · Conservative rated 1500 Watt no time limit RF power output in all modes. · T/R-QSK shift with RF output vacuum relay for high reliability. · AC input in single phase 190-264 Volt or dual phase 360-440 Volt internally manual switching. · 3,5 kW +++ Power Supply with…