Sansui SM-3000 (PPI 2150M)  output transistors replacement Sansui SM-3000 (PPI 2150M) output transistors replacement - diyAudio
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Sansui SM-3000 (PPI 2150M)  output transistors replacement
Sansui SM-3000 (PPI 2150M)  output transistors replacement
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Old 7th March 2012, 08:59 PM   #1
ivkata is offline ivkata  United States
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Join Date: Dec 2010
Arrow Sansui SM-3000 (PPI 2150M) output transistors replacement

hello guys
I stole this baby of ebay for 40 bucks sold as blown .Im guessing no one bothered to check that this is PPI 2150am in Sansui skin and this amp is mint with box ,harness ,manuals for 40 bucks ill buy it any day .Board is in mint shape and the only issue found was 1 shorted output 2n6487 and the other 4 in this channel test fine .The amplifier power on and plays fine with 1 transistor missing.My question is there are 5 pairs 2n6487/2n6490 i do have 2n6488/2n6491 can i replace them and how
-all transistors in the channel or just the group of 5 with 2n6488
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Old 7th March 2012, 09:12 PM   #2
Perry Babin is offline Perry Babin  United States
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Join Date: Nov 2003
Location: Louisiana
The 6488 and 6491 are good subs.

I'd replace all 10 of the output transistors in that channel.
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Old 7th March 2012, 09:14 PM   #3
ivkata is offline ivkata  United States
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Join Date: Dec 2010
thank you Perry
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