I calibrated CO and MO to 1V/Oct with trimmers TR8 and TR9 on motherboard. External CV must be connected to voltage input from keyboard banana-jack. Here is one sound example with long attack/decay times and with random AM-modulation of CO. Some external reverb is used.
This Blog is about electronic music, synthesizers and SDIY. Sigma-music can be found on Bandcamp (http://sigma2.bandcamp.com/), CDBaby and several other web streaming/downloading services.
torstai 17. lokakuuta 2019
Buchla calibration
Now Buchla is roughly in tune (1V/Oct) and calibrated. I changed R3 from 10k to 8.2k. This slighty decreases timbre folding and helped the calibration. The trickiest part was to balance the CO-timbre (motherboard TR4) and CO-waveshape (motherboard TR7) with Card9's TR5 (CO low freq track). The problem was to get pure sine-waveshape from bottom to top without any extra oscillations when applying the maximum timbre fold.
I calibrated CO and MO to 1V/Oct with trimmers TR8 and TR9 on motherboard. External CV must be connected to voltage input from keyboard banana-jack. Here is one sound example with long attack/decay times and with random AM-modulation of CO. Some external reverb is used.
I calibrated CO and MO to 1V/Oct with trimmers TR8 and TR9 on motherboard. External CV must be connected to voltage input from keyboard banana-jack. Here is one sound example with long attack/decay times and with random AM-modulation of CO. Some external reverb is used.
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