Transcendence Drive direct 18v power

Alan W

Well-known member
Is there any reason to include the charge pump and it’s immediate diodes and caps, if I wanted to go direct in with 18v? I’ve had several issues with past pedals and charge pumps creating additional noise in specific other pedals. So it’s tempting to just avoid the issue, and use an 18v tap. Would keep the 220 supply cap, the first diode, the 100n parallel cap and probably two of the 10uf caps, and pull the 18v off those two caps.
 
The circuit is running on a ~36V split polarity supply (+/-18V).
 
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