brutus bxi 1600

timwebb · 16th January 2012, 06:20 PM

i got this amp in for repair and it has irf3710 as output transistors. just trying to confirm if those should be there. ive never seen then in any other brutus amp.

timwebb · 07:12 PM

also what is vr10 used for? the legs are cooked under the board.

timwebb · 16th January 2012, 07:15 PM

..

Perry Babin · 16th January 2012, 07:44 PM

The pot is to adjust the DC offset.

The 3710s were used in some of the 4080 based amps.

timwebb · 16th January 2012, 08:27 PM

the transformers are whining and the are around the dc off set pot are getting hot.

Perry Babin · 16th January 2012, 08:38 PM

The large resistors are producing the heat.

Does the amp produce clean audio?

timwebb · 16th January 2012, 10:07 PM

some of the output transistors are bad. it didnt set off the protection. can i use 640n's in this amp?

Perry Babin · 16th January 2012, 10:31 PM

No. You need to use the IRF3710Z (<<< Z is very important). Replace all of the outputs and the HIP4080.

timwebb · 16th January 2012, 10:55 PM

this the right one?

AUIRF3710Z for International Rectifier | Arrow Electronics Components

Dr Zeus · 16th January 2012, 11:34 PM

Thats interesting... Now, how come when I search Arrow for IRF3710Z I cant find the TO-220 version? What does the AU in AUIRF mean?

16th January 2012, 06:20 PM	#1
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	brutus bxi 1600 i got this amp in for repair and it has irf3710 as output transistors. just trying to confirm if those should be there. ive never seen then in any other brutus amp.

16th January 2012, 07:09 PM	#2
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	also what is vr10 used for? the legs are cooked under the board. Last edited by timwebb; 16th January 2012 at 07:12 PM.

16th January 2012, 07:44 PM	#4
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	The pot is to adjust the DC offset. The 3710s were used in some of the 4080 based amps. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

16th January 2012, 08:38 PM	#6
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	The large resistors are producing the heat. Does the amp produce clean audio? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

16th January 2012, 10:31 PM	#8
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	No. You need to use the IRF3710Z (<<< Z is very important). Replace all of the outputs and the HIP4080. __________________ 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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16th January 2012, 08:27 PM	#5
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	the transformers are whining and the are around the dc off set pot are getting hot.

16th January 2012, 10:07 PM	#7
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	some of the output transistors are bad. it didnt set off the protection. can i use 640n's in this amp?

16th January 2012, 10:55 PM	#9
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	this the right one? AUIRF3710Z for International Rectifier \| Arrow Electronics Components

16th January 2012, 11:34 PM	#10
Dr Zeus diyAudio Member Join Date: Oct 2010	Thats interesting... Now, how come when I search Arrow for IRF3710Z I cant find the TO-220 version? What does the AU in AUIRF mean? __________________ \| Fluke 10 \| Ramsey BS-601 \| Topward 8102 \| RS MiniAmp \| Pyramid PS-15KX \| DieHard \|Big A$$ Resitor \|

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