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Old 11th Jul 2019, 4:58 pm   #6
space_charged
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Join Date: Dec 2014
Location: West Midlands, UK.
Posts: 315
Default Re: Sony 2SD625 line output transistor

Tried it but it provokes lots of nasty ringing, see 'scope photo.

Perhaps the problem is the opposite, that the BU931 turns off faster than the original transistor? But then why would it be getting so hot?
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