varice
Joined: Dec 29, 2004 Posts: 961 Location: Northeastern shore of Toledo Bend
Audio files: 29
G2 patch files: 54
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Posted: Sun Feb 02, 2014 10:43 pm Post subject:
Can I get DC CV output signals from the Nord Modular? Subject description: Yes – from the headphones output! |
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Although the audio outputs on the both the G1 and G2 modulars have DC blocking capacitors, each can produce two DC bipolar output signals at the headphones jack which can be used to control/modulate external synth gear. Thanks to Nacho Tamarit (tama2d2) for first reporting this news about the G1 here (the topic also contains more details about signal levels and patching suggestions):
http://electro-music.com/forum/topic-60892.html
I tested and verified that the G2 headphones output can also pass DC signal levels.
The G2 synth headphones output can provide two CV outputs; the left channel output (heaphones plug tip) is connected to the Output 1 signal bus and the right channel (heaphones plug ring) is connected to the Output 2 signal bus.
The polarity of the headphones output signal is inverted in relation to the G2 patch signal, so if you want the polarity of the signals to match, you will need to add a Level Converter module set to Bipolar Invert mode and connect the signal through that just before the Output module in the CV generator patch.
The maximum G2 headphones output range is greater than -8 to +8 VDC. With both the Master Level and Patch Level set to maximum (and without signal polarity inversion), a gain of 8 times the Clavia unit level of +64 will produce a DC voltage of about -8.33 volts, and a gain of 8 times -64 units equals about +8.33 volts. To achieve this maximum gain, use an Amplifier module set to a gain of 4 to amplify any +/- 64 Clavia unit signal to the maximum patch level of +/- 256 units. Then set the pad switch on the Output module to +6dB for an added gain of 2 onto the output bus. Patch signal levels much greater than these values will begin to clip. _________________ varice |
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