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RE: He who hesitates is lost........

Posted by Chip647 (A) on April 22, 2016 at 12:37:44

In Reply to: He who hesitates is lost........ posted by vinnie2 on April 22, 2016 at 04:29:55:

If you draw out the schematic, you can find your problem in just a few minutes. You can calculate what the voltages should be, then actually measure them in the circuit. You can easily find which section is drawing too much current. When you build, always test the power supply first with a load to make sure you have that correct before you go and build the rest of the amp.

Measure the load your power amp is being asked to deliver. Measure across the choke or the first resistor to calculate. If you have nothing easy to measure the full load over, insert a 1 ohm 10 watt resistor in your power supply before the first load. You really need to measure what is going on.

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