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Old 19th February 2007, 03:32 AM   #1
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Lightbulb rockford punch 60ix transistor please

transistorrr?????????

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Old 19th February 2007, 04:31 AM   #2
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They were likely BUZ11s but Rockford was also using IRFZ40s at that time.

An IRFZ44N or an IRFZ48 would serve as a replacement.

Also check the gate drive resistors, the driver transistors for the power supply FETs and the large Zener diodes near the FETs.

If you email Rockford tomorrow, you can get a schematic. It will have the original part numbers.
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Old 20th February 2007, 03:03 PM   #3
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Please I need to know that you take transistors, thanks
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Old 20th February 2007, 08:38 PM   #4
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Default removing transistors from rf thermal strip

You can remove the transistors easy. You need to obtain a large soldering iron. The high wattage type that is used to burn wood for hobbiest. Let the iron heat up to max. spool off some solder and hold it against the to-220 transistor. Put the HOT iron against the transistors metal tab. Start feeding the solder until it forms a pool on the metal tab. If the iron is hot enough you will feel a pop! The transistor will remove itself from the thermal strip. If it does not disconnect itself fast you need a larger iron. This is how Rockford repairs its amps. To remount the transistor hold the transistor down and apply solder to the top of the tab. Perfect.
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Old 20th February 2007, 08:47 PM   #5
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boxcustom:
This one doesn't use the MEHSA system.


ferreyrafede:
I didn't understand the question.
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Old 20th February 2007, 09:31 PM   #6
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Default Transistor replacment

Hello. Well now everyone knows how to remove transistors off of RF's thermal strips.
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Old 20th February 2007, 09:36 PM   #7
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Default Hi All !

Maybe is not a transistor , maybe is a rec. diodes(dual diods in one pacage).
Regards zeoN_Rider
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Old 20th February 2007, 09:42 PM   #8
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The rectifiers are the MUR1620CT and MUR1620CTR on the other side of the amp.
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Old 20th February 2007, 10:52 PM   #9
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Default Pleaseeeee rockfors transistor ??? punch 60ix

I need to know what kind of transsistor are those that I'm showing you (?). thank you for your help! I'm argentinian.
Have you got the circuit schematic ?????????
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Old 21st February 2007, 07:59 AM   #10
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Default Rockford transistor 1ami and 2ai

remplacement 1ami and 2ai transistor rockford
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