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Old 25th December 2008, 03:11 AM   #1
Bom is offline Bom
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Default fixing Orion GS1000

In my GS1000, it uses 10pcs of SJE2889 transistors in power stage and 12 pcs of 2n6491 in output stage. They are all Motorola. I can't find these transistors on the net. DO you have any suggestion anywhere I can buy them? Or any transistors with better spec to replace original parts?

thank you,
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Old 25th December 2008, 05:01 AM   #2
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Post a pick of the "Power stage" and the "Output stage" please as I recall these were simple class AB amps and that means matched P&N power devices through out the amp.
The match to 2N6491 is 2N6488 for your output stage. Driver stages for these amps were MPSU-06 and 56 or CEN-07 and 57 devices typically, so you other part number is puzzling and its location on the board probably will lend a clue to its ID and purpose....Merry Christmas
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Old 25th December 2008, 05:54 AM   #3
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E2889 > 2N6488
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Old 26th December 2008, 05:50 AM   #4
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Findchips.com to get your outputs.. and also mouser has them in stock btw... i just order 100 of each 2n6488 and 296491 from them.

If the drivers are bad you are going to have some trouble getting them. i have a 2250 that is inneed of the drivers now.. perry has a combo that he has been uising with no problems..


Sam
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Old 27th December 2008, 03:58 AM   #5
Clipped is offline Clipped  Thailand
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Default Re: fixing Orion GS1000

Quote:
Originally posted by Bom
In my GS1000, it uses 10pcs of SJE2889 transistors in power stage and 12 pcs of 2n6491 in output stage. They are all Motorola. I can't find these transistors on the net. DO you have any suggestion anywhere I can buy them? Or any transistors with better spec to replace original parts?

thank you,
you wont find the 2n6488 or 2n6491 in ban moh or any other electronics parts supplier in thailand.

give me a call at 086-977-4077 and i will sort you out.

im in the srinakarin area.
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