Diy Tube Tester : Tube Tester - Nixie Site - Hacked Gadgets - DIY Tech Blog : Istead of talking about all the great stuff i might do one day, i will simply update the site with things i have actually.
Diy Tube Tester : Tube Tester - Nixie Site - Hacked Gadgets - DIY Tech Blog : Istead of talking about all the great stuff i might do one day, i will simply update the site with things i have actually.. March 9, 2015 grant 256 comments. For years i have been using a valve tester that i had developed in the past. The filament may be hard to see. I always wanted to build the rat tube tester. The viper goes to tube grid.
Tube testers are not perfect but can be very helpful in many cases. The radio did not work. If anyone is interested i have found a tester that is moderately simple to build, doesn't cost a fortune and will perform most needed tasks ! Eico 666 is capable tester, Showing a diy tube tester, and a bad vs.
After reading chris108's excellent, educational (to me) writeup about about tube analyzers, i took another look at this magazine article. A valve tester is an invaluable tool for those who wish to build and repair valve amplifiers. The radio did not work. Back to other triode pages rec.audio.tubes tube tester project, by steve bench. I always wanted to build the rat tube tester. Also of great value (worth a lot to a collector today) was a voltmeter with tube sockets on it. Buy an old tube tester. I've been looking for a tube tester for a while, and my options were:
The august 1949, issue of mechanix illustrated magazine had detailed plans for a tube tester that was specifically designed to be a diy project.
Vacuum tube tester kit list: Bom(bill of materials) pcbway donate 10% cost to author. Turn on the machine to activate the tubes, and look for an orange, red, or purple glow. The filament may be hard to see. Quick test for electronic tubes: I'm not sure how it compares to the one you are considering, but maybe you can use some of his design. Vintage hickok model 533a dynamic mutual conductance tube tester. Mar 14, 2013 #1 hi folks, i am currently (trying to) design a computer controlled tube tester. 5 out of 5 stars. There are 3 fundamental vacuum tube (valve) constants. Buy an old tube tester. In the old days this was a lot easier than today. The tester is discontinued i believe, but has impressive specifications.
We also need interrupting switch because the pot (100k or 50k) will discharge the cells. 5 out of 5 stars. Google > the sussex homebrew valve tester i have ordered the needed parts and hope to have a working unit with in a month. Oct 31, 2015 likes received: For this the gm test is the most important.
Add to cart *pcbway community is a shared platform and we are not responsible for any design issues. The viper goes to tube grid. The tester is discontinued i believe, but has impressive specifications. The heater winding must be good for a few minutes of the hungriest tube you plan to test. However when i started to look for a second valve tester i f… If you hold it, the tube will burn up before the pt hv winding is strained. 5 out of 5 stars. By thor61 » wed apr 28, 2010 8:13 pm.
If anyone is interested i have found a tester that is moderately simple to build, doesn't cost a fortune and will perform most needed tasks !
Istead of talking about all the great stuff i might do one day, i will simply update the site with things i have actually. One of the biggest problems for the development of a new tube tester is the need to amass a database of results for the different types of tubes which may need testing. Diy tube tester by grant willis. Of course instead of cells we can build own electronic supply of variable voltage from minus 5v dc to 0v. However when i started to look for a second valve tester i f… The radio did not work. We also need interrupting switch because the pot (100k or 50k) will discharge the cells. Mar 14, 2013 #1 hi folks, i am currently (trying to) design a computer controlled tube tester. A good detector diode tube on a curve tracer. After reading chris108's excellent, educational (to me) writeup about about tube analyzers, i took another look at this magazine article. Click here for updated schematic. Showing a diy tube tester, and a bad vs. I used a simple way to test the tubes and fixed the problem.
In case if an output or power rectifier tube, it must be capable of supplying large amounts. For quite some time i have been looking at developing a design for a diy valve/tube tester that is easy to build and uses readily available, low cost parts. Add to cart *pcbway community is a shared platform and we are not responsible for any design issues. Vacuum tube tester kit list: Quick test for electronic tubes:
Batriq probably has made you smarter friend. (1) total ratings 1, $15.99 new. 21 pages, includes settings for many early 4 pin tubes. Plug the tube into an electrical device to check its glow. This site is mainly to showcase my tube tester which i built myself. Tube tester in detail oh i forgot to draw the pot. Around the sockets were pins so you could plug a cable with a tube socket in to the equipment under test. For this the gm test is the most important.
This is determined in part by the circuit in which the tube is to be used, in case of an rf or if amplifier tubes, the stage gain is proportional to the transconductance;
If the heated filament inside the tube glows orange like a setting sun, it's usually a sign that the tube is healthy. The topic of valve testers and testing valves crops up with regularity on the forum, and your tester would make both an enjoyable project in its own right, and cost effective too. Tube tester in detail oh i forgot to draw the pot. The tester is discontinued i believe, but has impressive specifications. In the old days this was a lot easier than today. I'm not sure how it compares to the one you are considering, but maybe you can use some of his design. Click on here for a variable voltage filament supply to accomodate odd voltage power triodes (2a3, 300b, 50, etc.). Bom(bill of materials) pcbway donate 10% cost to author. Diy tube tester by grant willis. I always wanted to build the rat tube tester. The viper goes to tube grid. A good detector diode tube on a curve tracer. This is determined in part by the circuit in which the tube is to be used, in case of an rf or if amplifier tubes, the stage gain is proportional to the transconductance;