Question about Pyramid - PS21KX 20 Amp Power Supply Car Audio Amplifier
Generally, the fuse only blows when the rectifiers fail. In other Pyramid supplies, they use a square, 4 terminal bridge rectifier. They probably use the same thing in your supply.
Let me know if you have any other questions.
Posted on Nov 16, 2008
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Posted on Jan 02, 2017
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