Synth project: a vibrato circuit made with 2 transistors (schematic & demo and much more)

Please read the description/textbox. A next video about the audio synthesizer project. Showed is a vibrato unit with only 2 transistors. The aim/goal of this synthesizer project is to make special and peculiar sounds, so not (!) to make an electronic organ.

This update with the vibrato unit plays a part in this goal. I made quite a few video’s in advance and they are indicated in this textbox, with links.

Not always (though almost every time) the schematic is showed during the video, but in the whole approach (for everyone liking to do serious electronic/audio experiments) you will find the best and good working circuits and all the relevant info/schematics.

The more or less complete bunch of all the relevant video’s regarding making such an audio synthesizer is here: Elementary audio synthesizer: works & used, originally from 2014, schematics & more links in the description at this video. 4 January 2022. Crazy sound(s) box, it shows the basics of making peculiar sounds, works & used. 5 January 2022. Not used here, but very usable. Works and was used. Easy Square wave oscillator/generator for audio and higher frequencies with the TL 071 FET Opamp and only a few components. 8 january 2022. Not used here but very usable say as a measuring device or for whatever electronic use, a square wave and triangle wave oscillator made with a NE 555 Chip (20 Hz-20 KC). . Works & was used. A very basic organ circuit via two 2 transistor A stabile multivibrators (read: square wave oscillators). A good basic approach for many audio experiments, tests, etc. A one transistor sine wave oscillator (can be combined with the synth. project, works & was used). Useful everywhere where you want/need a proper sine wave for whatever purpose: test, measurements, etc. How to change square waves into sine waves. A 3 pole filter that works, was used, and will be used in the future. It shows the very basics about how to do that, with 3 principal setups (470N-100N-50N-10N & resistors of 1 K or 10 K).

My You Tube channel trailer is here: When you search, search always “NEWEST FIRST” to get the right overview. You can also search via the “looking glass” on my Channel trailer via keywords like ”audio”, “radio”, “amplifier”, “filter”, “Shortwave”, “transistor”, “FET”, “oscillator”, “generator”, “switch”, “schmitt trigger” etc; so the electronic subject you are interested in.

My books about electronics & analog radio technology are available via the website of "LULU”, search for author “Ko Tilman” there.

I keep all my YT videos constant actual, so the original video’s with the most recent information are always on YouTube. Search there, and avoid my circuits that are republished, re-arranged, re-edited on other websites, giving not probable re-wiring, etc. Some persons try to find gold via my circuits. I take distance from all these fake claims. I cannot help that these things happen. Upload 27 januari 2022.
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