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Power Acoustic EG1-7000D
Power Acoustic EG1-7000D
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Old 22nd November 2020, 06:45 PM   #1
caraudioguy2100 is offline caraudioguy2100
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Join Date: Aug 2010
Default Power Acoustic EG1-7000D

Anyone know of a good replacement for the outputs ?

FB31N20D are obsolete and where I do find the you have to order 250 of them .


Here are some pics of the amp
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Multimeter:Klein Tools MM6000 Hakko FX-888D soldering station Hakko FR-300 desoldering gun dual channel oscilloscope 2 ohm 100 watt resistor Pyramid 40 amp power supply and a kenwood KDC-248U fornsiganl source . M02020 Testoscillator
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Old 22nd November 2020, 06:56 PM   #2
Perry Babin is offline Perry Babin  United States
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IRFB31N20D - Octopart
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Old 26th November 2020, 04:51 PM   #3
caraudioguy2100 is offline caraudioguy2100
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The only ones I find I have to order 300 pcs .

Wondering if the IRFB38N20’s might be a good replacement ?

Or is there anything you recommend
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Multimeter:Klein Tools MM6000 Hakko FX-888D soldering station Hakko FR-300 desoldering gun dual channel oscilloscope 2 ohm 100 watt resistor Pyramid 40 amp power supply and a kenwood KDC-248U fornsiganl source . M02020 Testoscillator
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Old 26th November 2020, 04:56 PM   #4
Perry Babin is offline Perry Babin  United States
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Location: Louisiana
15 at verical
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Old 26th November 2020, 05:02 PM   #5
caraudioguy2100 is offline caraudioguy2100
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Join Date: Aug 2010
Never ordered from them.

Any thoughts ? Since if I order them from them they ship from Hong Kong
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Multimeter:Klein Tools MM6000 Hakko FX-888D soldering station Hakko FR-300 desoldering gun dual channel oscilloscope 2 ohm 100 watt resistor Pyramid 40 amp power supply and a kenwood KDC-248U fornsiganl source . M02020 Testoscillator
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Old 26th November 2020, 05:08 PM   #6
Perry Babin is offline Perry Babin  United States
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Join Date: Nov 2003
Location: Louisiana
Verical is a reputable distributor.

Are they charging extra for shipping from HK?

I have no known good sub that doesn't likely require trial and error mods on the driver board.
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Anyone who purchased the repair tutorial, email me (babin_perry@yahoo.com) if you want to download the latest version.
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Old 26th November 2020, 05:15 PM   #7
caraudioguy2100 is offline caraudioguy2100
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Join Date: Aug 2010
$50 for shipping
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Multimeter:Klein Tools MM6000 Hakko FX-888D soldering station Hakko FR-300 desoldering gun dual channel oscilloscope 2 ohm 100 watt resistor Pyramid 40 amp power supply and a kenwood KDC-248U fornsiganl source . M02020 Testoscillator
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Old 26th November 2020, 05:48 PM   #8
Perry Babin is offline Perry Babin  United States
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Join Date: Nov 2003
Location: Louisiana
If you can't find a source, you'll either have to stop taking the 31N20 amps in for repair or do what it takes to make another transistor work. It may take some time to get it right and may result in amps being unreliable until you find the right combination.
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