Vacuum tubes are said to be thermionic, meaning that heat is used to encourage the emission of electrons from an electrode. The Diode The most basic vacuum tube is a diode, so named because of the two electrodes which it contains. If the interior of the lightbulb were not a vacuum, the filament would experience combustion due to the high temperature in the presence of oxygen and be destroyed. A good example is the early lightbulb, inside of which a filament was subjected to a current which caused it to produce energy in the form of light and heat.
A vacuum tube is just a glass tube that's had all the air sucked out of it. In order to appreciate what more or less goes on in this amplifier, we need to take a look at how a few things work, and first up are the vacuum tubes themselves. Quick Intro to Tubes A project such as this one can teach you a lot of about electricity and electronics.
#Stereotube how to#
An old trick is to keep your left hand in your back pocket all the time, so if you do get shocked, it hopefully won't reach your heart.Īlso, you'll need to know how to read a schematic, solder, and use a hand drill. When testing the amp out for the first time, use something like a twelve volt power brick instead of plugging directly into the wall, just to be safe, as well as to prevent things from exploding or melting. Discharge all capacitors through a resistor connected to ground, preferably with a voltmeter across it to be absolutely sure the cap has completely discharged. Some of the capacitors in this amp will hold onto a charge for a long while after the power has been switched off. If you decide to work on it with the power on, be careful. It involves high voltages and a lot of current that can make you feel decidedly unpleasant or even decidedly dead.
This project is dangerous in a very serious way. Except, of course, for these next few sentences. Keep in mind that I am just a dude on the internet - take everything I say with a grain of salt. Going through the process of purchasing parts, planning, and executing is a useful experience for any maker. You can learn a lot about electricity and electronics from a project such as this. That being said, they look damn cool, and some people seem to think they sound pretty nice, too. Tube amps, unfortunately, aren't the most practical things in the world they consume a great deal of power, get very hot, and are big. However, tubes can also be used to amplify a stereo signal from another audio source such as a CD or MP3 player. You usually hear about tubes being used in guitar amplifiers, because they distort in a way that suits guitar playing. Vacuum tubes are old electronic components that act like transistors, controlling a lot of current with a little current. What's New in Version 1.5.Ever wanted to build a highly dangerous, inefficient, yet awesomely retro piece of electronics? Well, I have. This app has been featured on dozens of sites including:, ,, ,, and more! Thank you all! Please DON'T write a bad review before sending an email, I can't answer you on the reviews section. If you like this app, don't forget to write a REVIEW! It feels good to see our work appreciated and helps other people too!Īlso, if you have any problem at all using it, or you would like a feature that is missing just send an email at and your problem/request will be solved, if possible. ► Player can be controlled via touch GESTURES (play/pause - tap, next - swipe right, previous - swipe left) ► Fullscreen YouTube™ playback - rotate your phone to automatically enter/exit fullscreen mode ► Select the YouTube™ video quality: choose between Auto, Small, Medium, High, HD 720 and HD 1080 (same audio quality as HD but longer battery life) ► SLEEP TIMER (can be used to stop playing after a predefined time) ► Login & synchronize your YouTube™ account with the application - all playlists you make on web will also appear in the app and vice-versa ► DISCOVER related songs every time you watch a YouTube™ video ► YouTube videos - NO ADS during video playing! ► UNLIMITED playlists with unlimited songs in each of them - even WITHOUT an YouTube account
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