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Old 16th September 2010, 03:03 AM   #1
diyAudio Member
Join Date: Sep 2006
Default Transistor and fet question

Im working on a zapco amp and the fets they are using are IRFZ40.

Will IRFZ44's be a good replacement?

Also the drivers are 2n6725 and 2n6726

I have the 2n6725's . Is there a good sub for the 6726's?
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Old 16th September 2010, 04:19 AM   #2
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Join Date: Aug 2010
Location: Thailand
IRFZ44 ok

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Old 16th September 2010, 04:46 AM   #3
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I know they are different.

Im looking for a good replacement (sub) for the 2n6726's

Anyone know of a good sub?
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Old 16th September 2010, 02:51 PM   #4
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Join Date: Nov 2003
Location: Louisiana
If these are the power supply FET drivers, they're not likely critical components. Unless the amp has more than 8 Z44s/bank, the MPSA06 and MPSA56 are likely perfectly suitable replacements.
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