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 Forum index » Instruments and Equipment » Theremin
mods for harrison's minimum theremin?
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liquidpaper



Joined: Nov 23, 2007
Posts: 93
Location: venus

PostPosted: Wed Dec 26, 2007 12:16 am    Post subject: mods for harrison's minimum theremin? Reply with quote  Mark this post and the followings unread

i've just build arthur harrison's minimum theremin, and was wondering if anyone has come up with any interesting mods for it.

also, how on earth is this guy doing this:

http://www.youtube.com/watch?v=WROXThBCwgg
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DETOX



Joined: May 22, 2008
Posts: 143
Location: Germany

PostPosted: Tue Jul 08, 2008 4:00 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi electro-music.com ! (first post)

As the describtion says it's a mfos soundlab controlled by a theremin midi-interface.

i think that video represents one of the coolest ways to actually use a synthesizer with such an experimental interface which ALSO sounds cool (there are too many people around thinking only because they own a ribbon ctrl or anything similar they're more progressive and creative...).
although the movement might be quite simple the guy playing that device at least knows what he does and what sound to expect (which is not self evident regarding to electronic 'musicians' on the internet).

unfortunately i don't know how to modify a minimum theremin but i have the schematics laying around on my hd for quite a while now and will hopefully build this thing someday, too.
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Blue Hell
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Joined: Apr 03, 2004
Posts: 20262
Location: The Netherlands, Enschede
Audio files: 143
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PostPosted: Tue Jul 08, 2008 11:06 am    Post subject: Reply with quote  Mark this post and the followings unread

DETOX wrote:
Hi electro-music.com ! (first post)


welcome DETOX.

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DETOX



Joined: May 22, 2008
Posts: 143
Location: Germany

PostPosted: Wed Jul 09, 2008 5:39 pm    Post subject: Reply with quote  Mark this post and the followings unread

ha, a few threads beneath the guy playing that thing posted the video link !

http://electro-music.com/forum/topic-17230.html
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sean k



Joined: Sep 06, 2008
Posts: 4
Location: New Zealand

PostPosted: Sat Sep 06, 2008 1:30 am    Post subject: Reply with quote  Mark this post and the followings unread

You could add a LFO to it very simply using one of the spare inverters. Actually I'm unsure of that as hes using 4069's and the LFO I know works uses 4093's, 74HC14's or 40106's but I'd try it anyways
http://www.geocities.com/tpe123/folkurban/synthstick/mods.html

I guess you've just got to figure out how to get a 4069 oscilatting at a few hertz to about 10 hertz then you're away. Otherwise just build the LFO and add it in before the low pass filter from pin 12, well, put a cap in pin 12 then the collector from the 2N3904 into the audio path.
Also go here for some easy sound shaping effects that'll work straight off the output. I'd suggest the T.M.K.
http://www.geocities.com/tpe123/folkurban/fuzz/snippets.html
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