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Soundstream Picasso 1.1700D
Soundstream Picasso 1.1700D
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Old 2nd November 2010, 09:40 PM   #1
mike49504 is offline mike49504  United States
diyAudio Member
Join Date: Sep 2006
Default Soundstream Picasso 1.1700D

This amp has IRFZ44N'S for the power supply with 100 ohm gate resistors.

Can i use the IRFZ46N"S as replacements ?? If so will the 100 ohm gate resistors work or do they need to be changed?
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Old 2nd November 2010, 09:56 PM   #2
Perry Babin is offline Perry Babin  United States
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Join Date: Nov 2003
Location: Louisiana
The Z46s were used with 100 ohm resistors in many of the power acoustik amps that were similar to 1400d (which I'm assuming is similar to the 1700d). After you install them, confirm that the power supply is driving the FETs at the full pulse width. If the Z46s don't run hot at idle, they should be OK.
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