transistor question

mike49504 · 7th March 2007, 12:11 PM

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

Perry Babin · 7th March 2007, 01:33 PM

The 5200 is much larger than the originals but if you have enough space for them, they should work.

mcminone has the originals.

mike49504 · 7th March 2007, 02:48 PM

the 5200 will work for both a1941 and c5198? or just the c5198?
i have alot of 2sc5200's in stock and 2sa1943'

Perry Babin · 7th March 2007, 02:54 PM

You can't replace a PNP with an NPN. I should have been more clear.

The 2SC5200/2SA1943 pair would replace the original pair.

PacificStereo · 7th March 2007, 03:05 PM

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

mike49504 · 7th March 2007, 03:14 PM

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

Perry Babin · 7th March 2007, 03:30 PM

Yes, if they will fit into the alloted space.

PacificStereo · 11th March 2007, 08:47 PM

I guess you're not interested. Good luck with the subs!

-Pacific

rhtatro · 9th April 2007, 10:54 PM

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

PacificStereo · 10th April 2007, 10:59 PM

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

7th March 2007, 12:11 PM	#1
mike49504 diyAudio Member Join Date: Sep 2006	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

7th March 2007, 01:33 PM	#2
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	The 5200 is much larger than the originals but if you have enough space for them, they should work. mcminone has the originals. __________________ Links >> Basic Car Audio Amp Repair * Basic Car Audio Electronics * New Site * Basic Switching Power Supply Design * Basic Computer Skills << Links

7th March 2007, 02:54 PM	#4
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	You can't replace a PNP with an NPN. I should have been more clear. The 2SC5200/2SA1943 pair would replace the original pair. __________________ Links >> Basic Car Audio Amp Repair * Basic Car Audio Electronics * New Site * Basic Switching Power Supply Design * Basic Computer Skills << Links

7th March 2007, 03:05 PM	#5
PacificStereo diyAudio Member Join Date: Feb 2007 Location: Southern California	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 __________________ This sure is some swell trash!

7th March 2007, 03:30 PM	#7
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	Yes, if they will fit into the alloted space. __________________ Links >> Basic Car Audio Amp Repair * Basic Car Audio Electronics * New Site * Basic Switching Power Supply Design * Basic Computer Skills << Links


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7th March 2007, 02:48 PM	#3
mike49504 diyAudio Member Join Date: Sep 2006	the 5200 will work for both a1941 and c5198? or just the c5198? i have alot of 2sc5200's in stock and 2sa1943'

7th March 2007, 03:14 PM	#6
mike49504 diyAudio Member Join Date: Sep 2006	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

11th March 2007, 08:47 PM	#8
PacificStereo diyAudio Member Join Date: Feb 2007 Location: Southern California	I guess you're not interested. Good luck with the subs! -Pacific __________________ This sure is some swell trash!

9th April 2007, 10:54 PM	#9
rhtatro diyAudio Member Join Date: Mar 2007	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

10th April 2007, 10:59 PM	#10
PacificStereo diyAudio Member Join Date: Feb 2007 Location: Southern California	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 __________________ This sure is some swell trash!

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