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WTB: output transistors for Krell KSA50
WTB: output transistors for Krell KSA50
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Old 4th January 2013, 01:18 PM   #1
Buhl is offline Buhl  Denmark
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Default WTB: output transistors for Krell KSA50

I am in need of output transistors for my KSA50 clone. I am using Pink Mouse boards, so the somthing in the plastic package/3 legs would be preferred over metal cans (TO3)....

Do they need to be matched?

Best regards
Hans
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Old 4th January 2013, 11:05 PM   #2
AVWERK is online now AVWERK  United States
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Your chance to get a fairly close match is to buy them new from Digikey or Mouser so they come off the same batch. This is not in stone but will be decent.
I used the 3281 combo for my 50 but don,t discount the TO3 as They have a Higher SOA
I used the tO3 15024/25 combo for my 100/150 cloneS

When you measure across each emitter resistor if you get a spread of 30mv or less for all you will be good to go.
Rgards
David
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Old 6th January 2013, 01:35 AM   #3
ticknpop is offline ticknpop  Canada
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WTB: output transistors for Krell KSA50
Krell matched the original 15024. /15025 then they went to a custom pair by Motorola
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