Zapco Z400c4-SL no power supply - Page 2 - diyAudio
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Old 11th March 2010, 07:00 AM   #11
fongman is offline fongman  United States
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I have a fosgate 301s. Will that work?
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Old 11th March 2010, 07:20 AM   #12
fongman is offline fongman  United States
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I have a Rockford fosgate 501s. Will this work?
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Old 11th March 2010, 07:22 AM   #13
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It should. Try to remove it intact.

There are two rows of 4 FETs near the transformer. Find the two wires that connect to the center legs of the FETs. One will go to two of the outer primary windings. The other will go to the other two outer primary windings.

Find the wires that are directly connected to the non-bridging speaker terminals. These will go to the two center secondary wires.

Find the wires that are directly connected to the B+ terminal of the amp. These will go to the four center primary windings.

The remaining two wires should go to the rectifiers. Each of these will connect to one of the outer secondary windings.
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Old 11th March 2010, 07:24 AM   #14
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I'd use the 301 but the 501 should also work.
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Old 11th March 2010, 07:47 AM   #15
fongman is offline fongman  United States
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Can I use a earthquake 200x?
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Old 11th March 2010, 07:50 AM   #16
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I don't have any information on the earthquake amp.
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Old 11th March 2010, 08:08 AM   #17
fongman is offline fongman  United States
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I'm confuse on where they go? On the Zapco amp, there are p1-p8 where the transformer used to be. I have not taken the it out of the fosgate amp yet. I will post you a picture of what it looks like.
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Old 11th March 2010, 08:33 AM   #18
fongman is offline fongman  United States
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Click the image to open in full size.

Last edited by fongman; 11th March 2010 at 08:35 AM.
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Old 11th March 2010, 08:36 AM   #19
fongman is offline fongman  United States
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Click the image to open in full size.
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Old 11th March 2010, 08:38 AM   #20
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You're going to have to use your multimeter to find what the various wires connect to in the zapco.
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