Homebrew 2 x 813 1KW Tube Amplifier Pt.1
11:23
Valve/Tube HF Linear Amplifier Build - Part 1 : HT Supply
15:27
Basic thoughts on Tube RF Amplifier output ' Tank' circuits.
15:40
A Microwave Oven Transformer, but switching!
15:53
Rebuilt Power Amplifier HF 2 x 813
7:40
Até os profissionais aprenderam ISSO comigo! Nunca mais vou jogar fora as pilhas AA
12:38
6 Basic Steps for Tuning an HF Transmitting Tube Amplifier
25:28
120w Two Tube 813 Transmitter
15:46