Homemade Vacuum tubes Television Using Oscilloscope CRT

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Autor:	6p1p
Opis:	DG7-36 with 2 of EF91 as sweep tubes. ECF80 as video amplifier.. I can't remember , I build this when 2006years as experimenting prototype form. When i study the old Television, I start to know the 1930s-1940s Television having Round CRT screen. I'm Curios how it feel when watching such TV. There is few reason i don't Get a real old TV to watch. 1. The TV is expansive and rare, especially the CRT, usually is non working condition if there is any set survived it need to restore before to get it work. 2. This old Television usually have different System, such as 405line for BBC ..etc it is not compatible with modern system. So i desire to design my own Television. by look at Ebay. There have sell alot Cheap old oscilloscope CRT and the anode voltage usually less then 1.5KV , will work fine even 1KV.. it very nice deal to start .. I hope you enjoy this video, Maybe when i have time i will build one and put in a nice wood box. :-)
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Tagi: DG736 DG7-36 DG7-32 DG732 DH391 DH3-91 2AP1 3WP1 3RP1 VCR97 5BP1 5BP4 3BP1 Round Screen Oscilloscope CRT Tube Valve Television EF91 Transitron Sweep Sawtooth Video amplifier DIY TV Electronic

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