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#1 |
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diyAudio Member
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Hi,
Can anyone tell me how to tell if 2sk389 are genuine or not. I have bought one pair in local shop and they have two row marking first row: k389 second row: BL.4F Dot in the second row is not down but up. How could I now the name of the manufacturer? regards sunny
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when you burn it - burn it good |
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#2 |
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diyAudio Member
Join Date: Sep 2003
Location: Alps:Tube amp designs over 150W, SMPS guru.
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Hitachi
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#3 |
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diyAudio Member
Join Date: Feb 2004
Location: Silicon Valley
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Toshiba - Hitachi/ Renesas are the makers for the nice lateral power MOSFETs, but Toshiba is the manufacturer for 2SJ74/2SK170 and 2SJ109/ 2SK389.
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#4 |
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diyAudio Member
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thank You very much
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