Линейный усилитель с заземленной сеткой Eimac 3-400Z или 3-500Z для любительского радио — Часть 2

Harris RF130 URT 23 Transmitter Part 2

Building a pair of 3-500zg's grounded grid RF amplifier. 2 KW output.

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Valve/Tube HF Linear Amplifier Build - Part 1 : HT Supply

Cooking Your Eimac 3-500Z Filament To Degass The Tube

Линейный усилитель для домашнего использования 3-500z: полезный усилитель мощностью 1 кВт для игр.

4 x GK71 vacuum tube rf amplifier test on the bench

Single 3-500z Homebrew Linear Amplifier in the bench

Eimac 4-400A RF Amplifier Step-Start (Soft-Start) Relay Circuit For High Voltage Power Supply

4-1000 amp

How To Make Electron Tubes - P&C Electronics

Самодельный стереоусилитель 6L6 SE на лампах PSVane Horizon

Linear Amplifier, Part 3, Removing and Installing New 3-500zg Tubes into Drake L4B with Jim W6LG

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30 - RF Power Amplifier

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GS-35B Monoband Amplifier - RF Deck