Tube amplifier. Output transformer. Feedback.

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Published on Jan 27, 2021
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What is the slew rate, how does the output transformer affect the characteristics of the audio amplifier, signal harmonics, how does the quality of the output transformer affect the characteristics of the audio amplifier, measuring the characteristics of the amplifier. You will see all this in this video! Enjoy watching! A more detailed discussion of the video materials is available in the comments or in a special topic on the AudioPortal INFO Forum - http://audioportal.info/forum/viewtop... ***** You can help develop the Channel: Yandex Money: https://yoomoney.ru/to/410013004521132 Web Money: Z546631268395 **** Video materials: https://drive.google.com/drive/folder... "Computer diagnostics of audio amplifiers. Shmelev's measuring complex": • Computer diagnostics of amplifiers ... "Tube amplifier" • Tube amplifier. ***** 00:00 Channel Unknown Physics - welcomes you! 00:06 What is this video about. 00:40 About the amplifier under test. 01:00 What happens if you swap the terminals of the output transformer. 01:48 How to measure the slew rate of a signal. 06:30 Harmonics of a square wave. Spectrum. 07:15 Studying an amplifier using signal harmonics. 08:31 Positive feedback in an amplifier. Its influence on the characteristics. 11:12 Negative feedback in an amplifier. Its influence on the characteristics. 13:02 Influence of the output transformer on the characteristics of an amplifier. 16:10 Summary graphs of changes in the frequency response of the amplifier. #Vacuum_amplifier #Output_transformer #Audio_amplifier_characteristics ***** 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 and subscribe to the channel so as not to miss the continuation! QUESTIONS can be asked in the comments to any video, on social networks and by e-mail to the channel: [email protected] I answer all SPECIFIC questions. I hope that your questions and joint answers will help make the channel "Unknown Physics" more interesting! ************************************************************* The channel has many playlists that contain videos about birds and animals, about HANDMADE, DIY, HUMOR, entertaining PHYSICS, stories about TRAVEL, YUMOR, TRIPLE 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 me 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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