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Class D Switching Power Amplifiers and Power D/A conversion

Memphis 2000 watt blown PS
Memphis 2000 watt blown PS
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Old 23rd January 2010, 06:10 PM   #1
m4ick is offline m4ick  United States
diyAudio Member
Join Date: Jan 2010
Location: Gainesville, FL
Default Memphis 2000 watt blown PS

I have a memphis mojo 2000w amp with blown power supply. Looks like missing rubber supports caused a rectifier to crack and a power supply fet to crack and POOF! A completely burned power supply.

I did the A1266s, one was split in two. I got ~5V to the gates.

The amp has been worked on before (mismatched date codes in the ouput section) and I thought it was supposed to have IRF3205s.

When I opened it they were all IRF1010E with 22Ohm resistors. Is that the original setup in these amps? My Orion was 22ohm/IRF3205.
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