The Chromatone CT-312 Keyboard

18Oct07

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Chromatone CT-312 Keyboard

The earlier post about the Terpstra keyboard made me think about this bizarre keyboard bad boy, the Chromatone CT-312.

According to the manufacturer, the CT-312 was developed as an instrument for music training based on the “Chromatic system (Muto music method)”.

“It would be greatly appreciated if this product becomes profitable presentation for the musician besides each musical instrument manufacturer and the Educator,” according to the site.

Here’s a video of the Chromatone in action, in case you’re interested in considering that profitable presentation for the musician:

4420CommentsThe+Chromatone+CT-312+Keyboard2007-10-18+18%3A36%3A03synthhead to “The Chromatone CT-312 Keyboard”

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1 A random Synth fan from BC on Oct 19th, 2007 said:

The technology of the “chromatone” was invented in 1882. You can see a variety of different models, from pianos to keyboards, at the following link (the red MIDI keyboard next picture of chromatone looks awesome):
http://www.red-bean.com/~noel/uniform-keyboard/

If anyone has one of these or wants to sell one contact me ASAP.

*lennus@mail.com (remove the star, which was added to avoid spam bots)
2 A synth fan from BC on Oct 19th, 2007 said:

The keyboard is called a “Janko” keyboard, and it was invented in 1882 by Paul von Janko. Check out the following link to see a picture gallery of several models (many of which are piano’s, not MIDI keyboards). Note the red MIDI keyboard model next to the picture of the Chromatone; it rocks and I want one in my setup.

http://www.red-bean.com/~noel/uniform-keyboard/

As a side remark, if anyone can order MIDI-equipped janko keyboards, or has one they’d like to sell, I’m interested. E-mail me at *lennus@mail.com (remove the “*”, which was added to avoid spam bots).
3 synthhead on Oct 20th, 2007 said:

Synth fan

Thanks for the great feedback. The Janko seems to have gone the way of the Dvorak keyboard for typing.

I wonder if the benefits of the Janko’s fingering flexibility are not enough to compensate for the increased training needed and the reduced “muscle memory” a keyboard like this is likely to have.
4 Allen Wretch on Nov 2nd, 2007 said:

How’s this Janko keyboard work? Is this to get you microtonal intervals, or is it to make regular 12-tone music easier to play somehow?
5 Paul Hirsh on Nov 14th, 2007 said:

Allen, nothing to do with microtones. This keyboard simplifies fingering and cuts down practice time by a factor of twelve, because what you learn for one key holds good for all the other 11. This means your kids can learn to play this thing and still enjoy a childhood! You can try one out with your mouse on my website.
6 Johannes K. Drinda on Jun 16th, 2008 said:

For those of us owning a better keyboard, such as Tyros2, I build a home-made Janko adapter: http://www.live-styler.de/home/Janko Project.pdf

It’s even removable/ reversible if you don’t like it or you want to sell your keyboard. Enjoy! jjj
7 Gary on Jul 12th, 2008 said:

Hey Janko layout fans or potential fans— Check out this site with video tutorials: http://www.thummer.com
8 mike on Jul 23rd, 2008 said:

actually the thummer is NOT a janko layout
9 nadav on Aug 9th, 2008 said:

are the key arranged the same as in b system or
c system button accordion?
10 detlefgraul@web.de on May 21st, 2009 said:

Janko-upright pianos, Janko-Grand-pianos and elektronic Janko-keyboards are available here: __detlefgraul@web.de The prize of an improved Upright-piano with an awesome repetition and sostenuto-pedal (the third hand) and many great new inventions regarding akustic-piano-playing and other features is 30.000 EURO (thirty thousand) and it´s the best akustic Janko-keyboard that was ever built! Totally new!
11 korgi on May 21st, 2009 said:

Where is the link for this?

Not that I have an extra 30.000 EURO…..

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