# Any low voltage tube schematics?

**URL:** <https://lookmumnocomputer.discourse.group/t/any-low-voltage-tube-schematics/2399>\
**Category:** DIY STUFF\
**Created:** [November 28, 2020, 3:39pm UTC](https://lookmumnocomputer.discourse.group/t/any-low-voltage-tube-schematics/2399 "2020-11-28T15:39:30Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Dud](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/dud/32/610_2.png) [@Dud](https://lookmumnocomputer.discourse.group/u/Dud)\
**Post date:** [December 28, 2020, 6:47pm UTC](https://lookmumnocomputer.discourse.group/t/any-low-voltage-tube-schematics/2399/5 "2020-12-28T18:47:43Z")

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also here

> [@Tubes for Synthesizers](https://lookmumnocomputer.discourse.group/t/tubes-for-synthesizers/2243):
>
> Hi all! It’d only be appropriate to write a tutorial on tube theory as I understand it for synthesizer enthusiasts. I’ll add more circuits as I go. Also, I say “tube” because I prefer the sound of it to “valve”, even though I’m Australian slight_smile IMPORTANT! Tubes are usually always designed to operate at a high voltage, and it’s a lot easier to run them off mains electricity. I design my circuits around a 250V DC power supply, which gives quite a bite if you touch it! I initially had th…

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