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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: RE: Is there a BD139 equivalent which has a faster slew rate? ... posted by beautox on July 7, 2014 at 15:34:05:
As I think I mentioned in my original post, I wasn't sure whether the guy who told me the BD139 was 'slow' knew what he was talking about. :-))
However, unless I'm mistaken, shirley a PS, yes, might be designed to produce a constant voltage but the devices hooked to the DC rail are responding to the music signal voltage going through them and so are placing differing current demands on the (constant) DC rail? So it is by no means "steady state"? So the (transistor) regulator needs to be 'fast' to be able to keep up with these demands?
Regards,
Andy
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Follow Ups
- Very good point, beautox. ... - andyr 16:15:16 07/07/14 (2)
- RE: Very good point, beautox. ... - beautox 16:30:08 07/07/14 (1)
- All true - thanks. :-)) nt - andyr 16:40:24 07/07/14 (0)
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