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 Forum index » DIY Hardware and Software » fonik's place
[SOON] PCBs/Panels for the TH VCF/VCA
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fonik



Joined: Jun 07, 2006
Posts: 3812
Location: Germany
Audio files: 23

PostPosted: Tue Oct 20, 2015 3:54 am    Post subject:  [SOON] PCBs/Panels for the TH VCF/VCA
Subject description: An Synthesizer for the 21st Century
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Hi all,

in the past i did some PCBs and Eurorack front panels kits for various Thomas Henry projects: VCO, LFO, ADSR, however a filter was missing.

I got Thomas' permission to do a PCB/Panel combo for his 12db State Variable VCF/VCA module, which is based on a 2164 quad VCA IC. You might know this circuit from his book 'An Analog Synthesizer
for the 21st Century' (Thomas Henry 2006). Together with the other Thomas Henry modules available (thonk/synthcube) one could build a basic stand-alone Thomas Henry synth now.

I just built an prototype and it worked out quite fine. THere are a few klutches on the prototype, however it is understood that these corrections will be incorporated in the PCBs i will sell.

A front panel is in the works, too. I hope i can get all done before christmas.

Prices will be reasonable (IMHO), same ballpark as for my other Thomas Henry projects.

The sound of the filter is quite vanilla, it is selfoscillating and trimmable to 1V/oct. Sounds to follow.

Posted Image, might have been reduced in size. Click Image to view fullscreen.Posted Image, might have been reduced in size. Click Image to view fullscreen.
Posted Image, might have been reduced in size. Click Image to view fullscreen.Posted Image, might have been reduced in size. Click Image to view fullscreen.
Posted Image, might have been reduced in size. Click Image to view fullscreen.
TH-VCF-VCA-FP by Matthias Herrmann, on Flickr

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cheers,
matthias
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donpachi



Joined: Jul 16, 2009
Posts: 71
Location: Marburg
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PostPosted: Tue Oct 20, 2015 9:02 am    Post subject: Reply with quote  Mark this post and the followings unread

Looking forward to it cyclops
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fonik



Joined: Jun 07, 2006
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PostPosted: Thu Oct 22, 2015 2:29 am    Post subject: Reply with quote  Mark this post and the followings unread

raw video of the prototype


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cheers,
matthias
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donpachi



Joined: Jul 16, 2009
Posts: 71
Location: Marburg
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PostPosted: Sat Oct 24, 2015 5:08 am    Post subject: Reply with quote  Mark this post and the followings unread

fonik wrote:
raw video of the prototype


Sounds fantastic! I'm in for two main PCBs, please Cool
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diablojoy



Joined: Sep 07, 2008
Posts: 802
Location: melbourne australia
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PostPosted: Sat Nov 07, 2015 8:06 pm    Post subject: Reply with quote  Mark this post and the followings unread

looks really good as usual Matthias
finances not great at the moment but will see if I can scrounge up the cash
for a few soon

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bubzy



Joined: Oct 27, 2010
Posts: 585
Location: United Kingdom
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PostPosted: Sun Nov 08, 2015 1:18 am    Post subject: Reply with quote  Mark this post and the followings unread

tsk, always with the great projects :/

put me down fo 2 pcbs please matthias Smile

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bamboombaps



Joined: Oct 23, 2015
Posts: 51
Location: Glasgow

PostPosted: Thu Jan 14, 2016 5:56 am    Post subject: Reply with quote  Mark this post and the followings unread

seems a bit quiet for a fonik pcb order thread but just in case i miss out, ill have one of everything pls
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fonik



Joined: Jun 07, 2006
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Location: Germany
Audio files: 23

PostPosted: Tue Jan 26, 2016 2:01 am    Post subject: Reply with quote  Mark this post and the followings unread

bamboombaps wrote:
seems a bit quiet for a fonik pcb order thread but just in case i miss out, ill have one of everything pls

haha. the big business could be found over at muffs these days, i guess.

i did not manage to order a prototype front panel yet. everthing is going very slow on my side. i cannot help it. life is very challenging sometimes.

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cheers,
matthias
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bamboombaps



Joined: Oct 23, 2015
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Location: Glasgow

PostPosted: Tue Jan 26, 2016 2:04 am    Post subject: Reply with quote  Mark this post and the followings unread

I hear ya brother. Thanks for replying
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