Search found 33 matches

by Alfrede
Mon Mar 30, 2020 4:10 am
Forum: Music Tech DIY
Topic: Soma - LYRA-8 DIY Kit
Replies: 461
Views: 51142

Re: Soma - LYRA-8 DIY Kit

@Flounderguts wich software do you use? You could print in over an PDF Printer or you use a Snippettool. :)
by Alfrede
Fri Mar 27, 2020 1:36 am
Forum: Music Tech DIY
Topic: BCY87 Question
Replies: 4
Views: 98

Re: BCY87 Question

Okay thank you for your first look. What would you do with it when you have them?
by Alfrede
Wed Mar 25, 2020 12:35 pm
Forum: Music Tech DIY
Topic: BCY87 Question
Replies: 4
Views: 98

BCY87 Question

Hi Dudes,

i have a question can i use this Dual NPN Transistor for making a module?

BCY87 Datasheet

I found at googeling that a person from russia should take it for an replacement for an LM394.

So have you any ideas what i can do with this Part?

Thanks

Alfrede
by Alfrede
Mon Feb 24, 2020 1:02 pm
Forum: Music Tech DIY
Topic: 2N2222a to92 or to18
Replies: 9
Views: 358

2N2222a to92 or to18

Hi Folks, i have a question. In same old designs i see the 2n2222a transistor, have anybody measured if the to18 or the to92 package is better for the circuits. For example: CGS-35 ? I found the Datasheets: 2N2222-To92 and 2N2222a TO18 i don't find any differences from the electrical values, exapt t...
by Alfrede
Sat Dec 14, 2019 3:35 am
Forum: Music Tech DIY
Topic: YATMA - Yet Another Transistor MAtcher ( for lazybones )
Replies: 50
Views: 7560

Hi one question is the design Creative Commons or what must i note when i want to rebuild it which kicad?
by Alfrede
Mon Oct 07, 2019 3:38 pm
Forum: Music Tech DIY
Topic: Vacuform - Vacuum tube diode SVF
Replies: 130
Views: 12201

Is there a chance to get the pure PCB and Panel? The Tubes i have.
by Alfrede
Thu Jun 13, 2019 10:58 am
Forum: Music Tech DIY
Topic: sourcing small through hole resistors - befaco
Replies: 18
Views: 976

Hey and what is about MELF Resistors? are they an option?

They are like this:

https://www.reichelt.de/MELF-Widerstaen ... OUPID=8386
by Alfrede
Fri May 31, 2019 10:59 am
Forum: Music Tech DIY
Topic: Schmitz White Noise Generator Capacitors
Replies: 7
Views: 670

Here in this pdf, i found it´s good explained. http://www.schematicsforfree.com/archive/file/Oscillators%20and%20Generators/Pink-White%20&%20Other%20Noise%20Generators/Pink%20&%20White%20Noise%20Generators%20-%20Misc.pdf Or when you not only search for a white noise generator i found this link: http...
by Alfrede
Thu Feb 21, 2019 12:15 pm
Forum: Music Tech DIY
Topic: ESPSYNTH86 doing R2D2 stuff
Replies: 2
Views: 389

Hi MapacheRaper,

i think the link is working but you must do it so:

to add you must remove the s from https://youtube.......

so the link is

i have add the Video here:

[video][/video]
by Alfrede
Mon Feb 18, 2019 12:28 pm
Forum: Music Tech DIY
Topic: TR-606 - is there any clone in DIY format?
Replies: 156
Views: 19071

The projects looks good, can i have one of the pcbs?
by Alfrede
Mon Feb 18, 2019 12:20 pm
Forum: Music Tech DIY
Topic: Can't find the name of SMD caps "case" for assembl
Replies: 5
Views: 443

Hi batchas, i think C Pol is standing for capacitator polaraized. As you see here: https://macrofab.com/blog/the-footprint-files-electrolytic-capacitors/ or https://www.tutorialspoint.com/basic_electronics/basic_electronics_polarized_capacitors.htm I found for panasonic smd Polarized https://industr...
by Alfrede
Thu Feb 07, 2019 7:16 am
Forum: Music Tech DIY
Topic: Bastl Kastle 1.5 - eurorack DIY kits for sale (or free?!)
Replies: 4
Views: 763

hi ghostly,

i am interested in the parts, please write me an message if you are interessted.
by Alfrede
Thu Feb 07, 2019 6:52 am
Forum: Music Tech DIY
Topic: Eurorack 808
Replies: 6
Views: 978

Hi Lemmy,

that´s funny just last weekend i found your project on github and now i read it here. I just wanna say thank you for your massive kicad lib :)

Have you converted an eagle file or how did you do it?

Thanks for the Projcet too.

Alfrede
by Alfrede
Thu Jan 03, 2019 3:13 pm
Forum: Music Tech DIY
Topic: CAD software?
Replies: 36
Views: 2021

Hi Jordanb,

have i wrote anything false or what does rhino mean in this Case?
by Alfrede
Thu Jan 03, 2019 6:20 am
Forum: Music Tech DIY
Topic: CAD software?
Replies: 36
Views: 2021

Hey Slow, thanks for your answer. I know knowdlege is the one thing but software and the ability to tranfer the knowledge in software the other. I think when i am fit enough in kicad i will show what freecad can do. In scholl we learned Eagle, but the new Licence Model broght me to Kicad. I think Op...
by Alfrede
Wed Jan 02, 2019 6:45 am
Forum: Music Tech DIY
Topic: CAD software?
Replies: 36
Views: 2021

I can recommend FreeCAD with some of the add ons like fasteners, sheet metal for folds. It's probably a bit clunky and requires some odds ways of working. But it worked to draw up the chassis for this, and have it folded and cut by a pro assembly shop. https://aether-machine.com/oscilloplasm/ If yo...
by Alfrede
Wed Dec 12, 2018 9:27 am
Forum: Music Tech DIY
Topic: My 1st PCB!
Replies: 20
Views: 1076

Hi l3v3l6, your PCB looks quite cool. What you might know is that the Part mc79 has a negative Voltage. The 78 idicates a posetive Voltage. What software do you use for your Project? Personally i began with kicad an there are a lot of Parts with their Footprints. When you share your File we can have...
by Alfrede
Fri Nov 16, 2018 9:12 am
Forum: Music Tech DIY
Topic: DIY - Elektor Vocoder - General Build Thread
Replies: 334
Views: 17198

I have one question belong to the ca3080 are the harris ics quite okay for this project or not?

Thanks
by Alfrede
Fri Nov 02, 2018 7:42 pm
Forum: Music Tech DIY
Topic: DIY - Elektor Vocoder - General Build Thread
Replies: 334
Views: 17198

Hi Fitchie, when i read your message i believe you say that the carbon resistors have more free elektrons which make the Sound more smother then for the metal film resistors which Sounds cold ? But the reason because i write is because your PCB and Case which come Today are Really Really nice. :sb: ...
by Alfrede
Sat Oct 27, 2018 6:00 am
Forum: Music Tech DIY
Topic: Soma - LYRA-8 DIY Kit
Replies: 461
Views: 51142

Hey Bjarne, i have got my pots from here https://www.musikding.de/Potentiometer-16mm_1
by Alfrede
Fri Oct 19, 2018 7:26 pm
Forum: Music Tech DIY
Topic: DIY - Elektor Vocoder - New kits available now !
Replies: 412
Views: 39434

Is anybody in Europe and needs CA3080 ies? I think i would order some by seanpark but 15 € for shipping is quite expensive. So please comtact me when you want order some too.

Thanks
by Alfrede
Sat Oct 13, 2018 9:54 am
Forum: Music Tech DIY
Topic: DIY - Elektor Vocoder - New kits available now !
Replies: 412
Views: 39434

Hey Fitchie, it isincomprehensible how a single person do what you do for the community. I just wanna say thank you very much.
by Alfrede
Tue Oct 09, 2018 6:30 am
Forum: Music Tech DIY
Topic: Soma - LYRA-8 DIY Kit
Replies: 461
Views: 51142

Hey Master G, one question which Version Number is on your PCB printed, in my Version 2.6 i have 0.22mMP printed and 1,2nF printed and 2,2mF for an electr. electrolytic capacitor. I later took pictures of them. https://www.muffwiggler.com/forum/userpix2/42108_20181009_172837_2.jpg https://www.muffwi...
by Alfrede
Sat Oct 06, 2018 9:16 am
Forum: Music Tech DIY
Topic: Soma - LYRA-8 DIY Kit
Replies: 461
Views: 51142

Hey VCOslliator, do you share or sell your MODS? The Picture and i believe the sound is fantastic. As we Say in German "Hut ab"

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