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Old 21st March 2012, 03:28 AM   #1
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Default Old school punch 60x2 help needed

Im needing to know some replacement part numbers. Its number on the board is r238 it looks like a big resistor. I also need to know were i can get the irf 540 part number ive found slot of those but they were ifr540n and i hear there not good for these amps and i also need irf9540. Any help would be great.
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Old 21st March 2012, 07:07 AM   #2
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Contact Rockford for the schematic diagram. You'll need the PC# off of the board.

The output transistors can be purchased from Mouser or Digi-Key.
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Old 22nd March 2012, 02:14 AM   #3
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Does anybody on here have these parts
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Old 22nd March 2012, 03:40 AM   #4
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YES
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Old 23rd March 2012, 12:05 AM   #5
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Old 26th March 2012, 01:16 AM   #6
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Can buz11 transistors be used instead of ifr540 and ifr9540
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Old 26th March 2012, 05:40 AM   #7
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Quote:
Originally Posted by Silversrt5 View Post
Can buz11 transistors be used instead of ifr540 and ifr9540

Not really. You should stick with the original design and parts for best results...
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