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Old 23rd April 2012, 04:50 AM   #1
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Default MTX Thunder 2300 X

I opened up this amp for repair and its missing all of the power supply fets and outputs among other things..

Wondering what Power supply fets are good to use in this amp ??

Also what outputs are good to use ??

The board is marked TA2300X REV F
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Old 23rd April 2012, 05:56 AM   #2
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I use 3415s as outputs and 3205s in the supply.
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Old 8th May 2012, 01:31 AM   #3
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replaced all the power supply fets and outputs .. Checked the source resistors all check fine..


Right channel has distorted output any ideas?
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Old 8th May 2012, 02:15 AM   #4
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Have you set the bias?
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Old 8th May 2012, 02:36 AM   #5
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No.. Whats the Bias suppose to be in this amp ??

And do i measure across the source resistors?
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Old 8th May 2012, 02:48 AM   #6
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Set it by the current draw from the 12v power supply.
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Old 9th May 2012, 09:26 AM   #7
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Set the bias in the amp...

Right channel is still distorted
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Old 9th May 2012, 09:48 AM   #8
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Were you able to set the bias in the distorted channel?

Post a photo of the distorted waveform (100Hz preferably).
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