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Old 12th November 2012, 04:37 AM   #1
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Default Earthquake PH2000

I got one of theese in for repair..

The outputs are Shorted They are SSP45N20A's does anyone know of a good replacement for them?
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Old 12th November 2012, 05:00 AM   #2
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Is this a 4080 based amp?
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Old 12th November 2012, 05:15 AM   #3
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Yes
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Old 12th November 2012, 05:49 AM   #4
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The IRF3710Z should work.
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Old 12th November 2012, 06:00 PM   #5
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Perry,

I was looking at the wrong amp..

This is not a HIP4080 based amp..

Should i still try the 3710Z's or is there a better choice?
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Old 12th November 2012, 07:15 PM   #6
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No. I would need to know more about the amp to offer any suggestions. What's the rail voltage?
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Old 12th November 2012, 08:20 PM   #7
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Rail Voltage is 69 volts
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Old 12th November 2012, 10:04 PM   #8
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The 3710s definitely won't work. The rail voltage is probably too close to the limit for the IRF3415 (a transistor that I commonly use as a sub for the SSP45N20 in amps with a bit less rail voltage).

Post a photo of the board.
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Old 13th November 2012, 01:09 AM   #9
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Heres a pic of the Board Hopefully it works lost my camera cord and i took this with my phone
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File Type: jpg Earthquake.JPG (536.2 KB, 76 views)
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Old 13th November 2012, 05:12 AM   #10
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That appears to be a variation on the MTX/Sony class D amps. Is the power supply regulated?
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