kepptheremins : Keppinger Theremins

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This is a meeting place for all those interested in building and playing theremins designed by Mark Keppinger. Group members are encouraged to exchange information on parts sources, design modifications, troubleshooting assistance, etc. Additionally, information is also available for the prototype Keppinger Mark K.

We encourage you to double post at Thereminword. Our spot there is located at URL http://www.thereminworld.com/forums/Topics/keppinger-theremins
Thereminworld currently has no photo-hosting, but we understand that this is in the works. Keep in mind that Thereminworld has a much larger potential audience than our little island here at Yahoo.

Congratulations on your interest in building a wonderful sounding version of Lev Termen's invention!

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Re: Model K Philip; I'm guessing that gains combined with biasing are causing the poor sound quality. I went with the same values used for the octals, figuring that since Posted - Tue May 1, 2012 7:48 pm	mkepp@... thereminmaker Offline Send Email
Re: Model K Perhaps biasing not quite right and the rectification is clipping off too much of the fat parts of the wave, causing harmonics?? Love to see some waveforms. Posted - Tue May 1, 2012 7:26 pm	Philip kmg5443 Offline Send Email
Re: Message From Mark and Philip Philip; Be careful of who you are calling "Gentlemen". LOL! Okay, you asked for it; one of my latest endeavors has been to do a good circuit board layout for a Posted - Tue May 1, 2012 6:37 pm	mkepp@... thereminmaker Offline Send Email
Re: Model K Philip; Mine is on the 'buzzy' side. I'm getting too much clipping in the detection circuit. Not sure why yet, but I anticipate some value changes coming up... Posted - Tue May 1, 2012 6:31 pm	mkepp@... thereminmaker Offline Send Email
Message From Mark and Philip Gentlemen and Ladies: Mark and I encourage a free, open interchange of ideas with respect to your theremin adventures. Off topic posts, however you decide Posted - Tue May 1, 2012 6:28 pm	Philip kmg5443 Offline Send Email
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2011		45	78	55	102	157	77	74	62	14	8	54
2010	1		16		1	29	3	5		9		2
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