|Class D Switching Power Amplifiers and Power D/A conversion|
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|24th April 2009, 03:21 PM||#1|
Join Date: Jan 2009
help me with my ruined mono amp :(
Good day guys.
i bought a ruined class-D 1500wrms from a friend.
i'm trying to revive the amp my self.(don't have the funds to have it repaired )
my problem is that the mosfets of the power supply section were toasted.. i have here couple of questions hope you could help me figure it out..
the original mosfet was P60NF06..Can I substitute IRFZ44 as replacement?
(since P60NF06 is not available here locally)
BUT-one friend told me if i choose to replace P60NF06 with IRFz44 I wont be able to run a 1 ohm load with the amp.IS THIS TRUE???
2 of the driver transistors (mosfet drivers i guess)had a hole in the middle(burnt).(SMD transistors)one marked M6 and the other one L6..i dont know the equivalent value for this transistors.but I think the M6 is a PNP and L6 is NPN. what can i have as a replacement?
sorry for my ignorance..lolz i'm just starting to learn this hobby.
thanks in advance for any help you can give!
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