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| Anybody Manufacturing Top Octave Synthesizers |
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| Cerebus:
--- Quote from: SiliconWizard on December 21, 2021, 07:13:27 pm --- --- Quote from: Cerebus on December 21, 2021, 01:16:04 pm --- --- Quote from: SiliconWizard on December 21, 2021, 02:43:28 am ---It's always going to be pretty subjective, because *100%* open source hardware, if you're considering it on a strict level, does not exist. --- End quote --- Well, some hobbyists have made their own transistors or valves. Once you've got to that stage, making your own passives is a walk in the park. Then it's just a question of deciding whether you have to blacksmith your own wire drawing tools to make it truly open source. >:D --- End quote --- Yep. Now that would seriously start looking open source. But, what about all the tools and products you used for making your own components, to begin with? ;D --- End quote --- That's why I picked on Blacksmithing, it's one of the few activities where you can start with materials dug out of the ground, fire and banging things with rocks. As you progress the tools get made, then more refined. Metalurgy and glass making are truly ancient arts that rely on no prior technology other than fire lighting. However, if you start from scratch you'd probably get to the stage of high vacuum pumps (which you need for making both vacuum tubes and single crystal silicon) just around about the time where your descendants will have to take up the torch from you. :) |
| jonovid:
if anyone is interested in building an electronic piano or organ from scratch or synthesizer based on 1970s 1980s electronics that can be :-/O TMS3615NS new old stock data sheet https://amigan.yatho.com/TMS3615NS.pdf I found this ic the TMS3615NS TMS3615NS Octave Multiple Tone Synthesizer circuit design electronic organ here is a complete piano / organ circuit with multiple TMS3615NS used https://electro-music.com/forum/phpbb-files/jen_piano_73_104.png |
| MIS42N:
In case anyone is looking, it was I who posted the emulation in the ATmel community, but it appears to have been deleted. I resurrected the code recently, and modified it to produce more accurate notes. It is public domain, and is here: https://sourceforge.net/projects/top-octave-generator/ |
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