Проверка и отбор ламп ГУ-50, для усилителя мощности.

Today I will show you how I test and select GU-50 tubes for my power amplifiers. This is a critical step to ensure that your PA operates stably and produces the stated power. I will tell you about the test method, the main parameters that I pay attention to, and how I select tubes in pairs for parallel operation. Find out how to get the most out of your GU-50s! In this video you will see: How I conduct the initial test of GU-50 tubes. My test method (training) of new and used tubes. What parameters do I measure for selection (anode current, grid current). How I form pairs or groups of tubes for an amplifier. Practical tips to avoid problems with tubes. #GU50 #LampSelection #LampCheck #PowerAmplifier #LampEquipment #HamRadio #HamRadio #AMP #ShortWaves #LampTesting Adjustable laboratory power supply, 30 V, 10 A, reliable seller: https://ali.ski/VaHnO Soldering kit for a radio amateur, I highly recommend, verified seller: https://ali.ski/boj7Xg Autonomous soldering iron 50 W, powered and charged from USB interface, reliable seller: https://ali.ski/TLcF_2 Telegram group. https://t.me/Radio_and_Elektronika Come in, ask questions, chat. Telegram training channel: https://t.me/Radio_Beginning Radio electronics lessons: https://lessonradio.narod.ru