Hello ! Have been building clones of the moog 901a and b modules. 0,5W carbon resistors, 2N4058 and 2N 3392 transistors and CA3019 and big pcb�s like the original I can�t compare the sound to the original, but i think its warm and fat. But there is one small issue in higer pitch there is some modulation in the wave, like realy fast vibrato, How do the original moog 901 sound in the higer pitch regions? You can find a sound example in the files menu /Dan Lind, Sweden
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moog 901a, b clone
2009-10-05 by dan