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+--- Thread: 555 VCO not sounding (/showthread.php?tid=2580)
555 VCO not sounding - SynthWizard - 12-05-2018
555 VCO not sounding
You have omitted the (tempco ) resistor that fits over the exponential transistors. You can use a normal resistor here if you do not have a tempco, (but you will drift out of tune more quickly) but the vco will not sound without a resistor there. It's ...
http://electro-music.com/forum/viewtopic.php?p=437914#437914