Jenson Amp

mike49504 · 21st April 2011, 04:25 PM

This amp uses IRFZ24'S for the power supply fets Will the IRFZ44's or Irfz34's be a good replacement?

Perry Babin · 21st April 2011, 04:27 PM

It depends on the drive circuit (gate resistors, etc...).

mike49504 · 21st April 2011, 04:41 PM

They are using 68 ohm gate resistors . And all i see on the driverboard is a
KA555 OP-amp And A1027 and C1023 Drivers

Perry Babin · 21st April 2011, 04:44 PM

If the 1027s and the 1023s are driving the FETs via 68 ohm resistors, you could use the Z44s or the Z34s.

mike49504 · 21st April 2011, 04:49 PM

Thanks Perry,

21st April 2011, 04:25 PM	#1
mike49504 diyAudio Member Join Date: Sep 2006	Jenson Amp This amp uses IRFZ24'S for the power supply fets Will the IRFZ44's or Irfz34's be a good replacement?

21st April 2011, 04:27 PM	#2
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	It depends on the drive circuit (gate resistors, etc...). __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

21st April 2011, 04:44 PM	#4
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	If the 1027s and the 1023s are driving the FETs via 68 ohm resistors, you could use the Z44s or the Z34s. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

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21st April 2011, 04:41 PM	#3
mike49504 diyAudio Member Join Date: Sep 2006	They are using 68 ohm gate resistors . And all i see on the driverboard is a KA555 OP-amp And A1027 and C1023 Drivers

21st April 2011, 04:49 PM	#5
mike49504 diyAudio Member Join Date: Sep 2006	Thanks Perry,

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