Quote:
Originally Posted by pawoodbutcher
A month ago, I metered the output of the power supply at 20.x volts. Supposed to be 12. Did it yesterday, 20.4 Volts. I thought this to be odd, but I have no baseline to compare it to when it was new.
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Small, inexpensive power supplies commonly read much higher voltage under no-load or less-than-design-load conditions than they will when driving the load they're designed for. If the amp was disconnected, that could explain the difference. If it was connected, then there may be a problem with the amp.