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Old 7th April 2013, 11:04 PM   #1
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Default Orion 2150sx

Is this amp worth trying to repair or is it a lost cause this is how i bought the amp guess i should have opend the bottom cover first..

Notice the inductor in front of the torriod its burnt and it needs all new power supply fets,outputs,regualtors,ect ect..
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Old 8th April 2013, 12:36 AM   #2
timwebb is offline timwebb  United States
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id fix it...just need alot of work
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Old 9th April 2013, 01:13 AM   #3
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With the exception of the inductor, the cost of the parts is likely to be less than $30. You could rewind the inductor. For testing, the inductor can be used as is.
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Old 15th April 2013, 02:23 AM   #4
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I have another 1 of theese amps with a bad inductor also..

I am going to replace the fets and outputs since they are shorted..

The amps is using SMP60N06's Wondering whats a good replacement for them??


Also Wondering does anyone know what core and guage wire i need to make new inductors for the power supply?? Or how do i go about ordering it as far as how do i determine what core and guage wire i need?
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Old 15th April 2013, 07:45 AM   #5
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The cores may be reusable. Use a dial/digital caliper to measure the wire.

The 3205s will work in this amp.
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Old 18th April 2013, 02:00 AM   #6
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The core on 1 of the amps is not re-usuable all the coating is burnt off...

Any ideas on how to figure out what core i need to buy??

Also the wire on theese is 3 or 4 strands twisted together and then wrapped around the core do i need to only measure 1 strand then twist 3 or 4 of them together when rewinding it?
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Old 18th April 2013, 09:46 AM   #7
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You can wrap the core with Kapton tape to insulate it.

I don't have a suggestion for the core. Something similar pulled from a junked Korean/Chinese amp may work.

Yes.
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Old 20th April 2013, 07:25 AM   #8
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Do i need to switch the gate resistors to 47 ohms if i use the 3205's?

Or will the 10 ohm be fine?
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Old 20th April 2013, 07:33 AM   #9
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Switch them to 47 ohm.
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Old 21st April 2013, 12:39 AM   #10
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The 10 ohm resistors will work. The 47 ohm will take a bit of the stress off of the drivers but I never replace the 10 ohm resistors in the older Orion amps if none have failed.
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