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Old 1st June 2011, 07:45 AM   #1
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Default Replacement for 2SA933 and 2SC1740?

Hi,

Over the last couple of years I have been designing a discrete audio buffer, and my listning tests showed me that the Rohm transistors 2SA933 and 2SC1740, have the best performance..

But know it seems like this pair are obsolete, so does anyone know which new transistor pair I can use instead, they need to have the same sound capabilities.

See the design where they are used here: DIYhifi.dk : Spændende hifi byg-selv projekter..

Best regards

Lars
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Old 1st June 2011, 09:24 PM   #2
pdul is offline pdul  Denmark
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Toshiba 2SA970/2SC2240
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Old 1st June 2011, 09:34 PM   #3
pdul is offline pdul  Denmark
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Or Nec. 2SA992/2SC1845 or Fairchild KSA992/KSA1845
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Old 2nd June 2011, 10:17 AM   #4
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Quote:
Originally Posted by pdul View Post
Or Nec. 2SA992/2SC1845 or Fairchild KSA992/KSA1845
Thanks. I will try one of these types!
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