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Old 7th March 2007, 12:11 PM   #1
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Default transistor question

im working on a amp and the ouputs i need are marked a1941 and a c5198 wondering if i might be able to find a replacement of theese two parts they are made by toshiba i have tons of c5200, 2sa1943,2sc5359 wondering if any of the parts i have will work in place of thoose 1941's and 5198's if someone could please help i would greatly appericate it
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Old 7th March 2007, 01:33 PM   #2
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The 5200 is much larger than the originals but if you have enough space for them, they should work.

mcminone has the originals.
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Old 7th March 2007, 02:48 PM   #3
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the 5200 will work for both a1941 and c5198? or just the c5198?
i have alot of 2sc5200's in stock and 2sa1943'
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Old 7th March 2007, 02:54 PM   #4
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You can't replace a PNP with an NPN. I should have been more clear.

The 2SC5200/2SA1943 pair would replace the original pair.
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Old 7th March 2007, 03:05 PM   #5
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I'm pretty sure that I have the original semis, if you want them. I'll be at the lab on the weekend and I can check for you, if you'd like.

-Pacific
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Old 7th March 2007, 03:14 PM   #6
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ok sorry i cant think today will the c5200 hundred replace the c5198 and the 2sa1943 replace the a1941 is that what u are syaing or no? i cant think im having a bad day sorry
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Old 7th March 2007, 03:30 PM   #7
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Yes, if they will fit into the alloted space.
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Old 11th March 2007, 08:47 PM   #8
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I guess you're not interested. Good luck with the subs!

-Pacific
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Old 9th April 2007, 10:54 PM   #9
rhtatro is offline rhtatro  United States
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Default Hi Pacific Stereo

Would you have a schematic or service manual for the reference 650fet r receiver? I have one that is a real neat piece of gear but it has a problem: I get sound out the speakers only if A an B speakers switches are on, and when I up the volume, it has severe distortion untill the protection kicks in. I have new mosfets on order.
Any ideas about this? Thanks!
Bob Tatro
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Old 10th April 2007, 10:59 PM   #10
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Hi, Bob!

You know, I don't think I have EVER come across a 650R, not even while I was fixing audio for Pacific.

I will take a look at what I have over the weekend and get back to you. Don't expect much. A lot of the service info for the proprietary Pacific stuff was photocopies, factory notes and institutional knowledge. But I may have it on microfiche.

Let me see what I can find out.

-Pacific
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