Tube amplifier. Selecting radio tubes. Setting up the amplifier. - Неизвестная Физика - World Latest Movie, Series, Videos and Trailers | fetery.com

Tube amplifier. Selecting radio tubes. Setting up the amplifier.

48,493 views

Неизвестная Физика

Published on Feb 25, 2021

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This video continues the story about vacuum tube audio amplifiers. By popular demand, I will tell you which vacuum tubes are best suited for an audio amplifier and show you how to set up a vacuum tube amplifier cascade using instruments - a voltmeter and a milliammeter - WITHOUT an oscilloscope and WITH an oscilloscope. ***** You can help develop the Channel: Yandex Money: https://yoomoney.ru/to/410013004521132 Web Money: Z546631268395 ***** 00:00 Channel Unknown Physics - welcomes you! 00:27 Choosing a vacuum tube for an amplifier. 01:34 Comparison of vacuum tube parameters. 04:26 Choosing an audio amplifier circuit. 04:46 Audio amplifier driver. 05:02 Output stage of an audio amplifier. 05:17 Pentode and tetrode - similarities and differences. 07:11 Pentode or tetrode connection diagrams. 09:04 Audio amplifier output transformer. 09:38 Assembling an audio amplifier circuit. 10:12 Parts for assembling an audio amplifier. 11:07 Why may an amplifier assembled EXACTLY according to the diagram work poorly? 11:46 What is a GOOD = USABLE radio tube? 12:20 Method for tuning an audio amplifier WITHOUT an oscilloscope. 13:42 Principle of selecting the operating point of a tube. Volt-ampere characteristics. 15:55 Resistors and capacitors in the grid circuit of a radio tube. 17:48 Is it necessary to shunt the cathode resistor with a capacitor? 18:53 Why is a delay in turning on the anode voltage needed. 19:34 Tuning the audio amplifier stage using a voltmeter and milliammeter. 22:01 Setting up the audio amplifier cascade using an oscilloscope. 23:39 What to do after setting up the amplifier for DC? #Vacuum_Amplifier #Choosing_Radio_Vacuums #Amplifier_Settings Videos in the form of short stories and tales about Physics in the world around us are released every week. If you liked the story, like it and subscribe to the channel so you don't miss the sequel! QUESTIONS can be asked in the comments to any video, on social networks and by email at the channel: [email protected] I answer all SPECIFIC questions. I hope that your questions and joint answers will help make the "Unknown Physics" channel more interesting! *********************************************************** The channel has many playlists with videos about birds and animals, about HANDMADE, DIY, HUMOR, entertaining PHYSICS, stories about TRAVELING, YUMMY, TRICKS, how to make a cartoon and much more... You will definitely find a video according to your interests! The CHANNEL NAVIGATOR will help you navigate the channel. LINKS to the channel's videos are posted on personal pages in social networks and in groups: Add yourself as a FRIEND! (When adding, PLEASE write - where are you from and on what issue) e-mail: [email protected] VKontakte: http://vk.com/afon2015 Odnoklassniki: https://goo.gl/VdSsCY Twitter: / afanasy83 Facebook: / afanasy83 Skype: afanasy83

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