From: John Larkin on 14 Oct 2008 11:21 On Tue, 14 Oct 2008 17:13:05 +0200, Olivier Scalbert <olivier.scalbert(a)algosyn.com> wrote: >Eeyore wrote: > >> >> Stop mucking about with stuff you don't understand and simply buy a modern >> hi-fi amp. Power amps are a real speciality (especially if you want them >> to be stable). It's no place for a beginner. >> >> Do you understand stabilty criteria for example. What's a Bode plot ? etc >> >> >> Graham (designer of stable pro-audio power amps since 1980) >> > >I have studied Bode, Nyquist, Smith diagrams, Z, Laplace, Fourier >transformations and their digital implementations, ... > >So I think I can read technical answers to my "beginners" questions. > >Oh, by the way, I must admit that I have miss the training "how to >become arrogant". > >Olivier Hey, this is usenet. It selectively attracts the willfully ignorant, the arrogant, and the pain sluts who crave public humiliation. Why not drive the base of your darlington with an opamp? John
From: Olivier Scalbert on 14 Oct 2008 11:36 John Larkin wrote: > Hey, this is usenet. It selectively attracts the willfully ignorant, > the arrogant, and the pain sluts who crave public humiliation. > > Why not drive the base of your darlington with an opamp? > > John > egos ... ! I still have some LM741 but it is perhaps too short no ? What do you suggest ? Olivier
From: mrdarrett on 14 Oct 2008 11:49 On Oct 14, 8:18 am, Olivier Scalbert <olivier.scalb...(a)algosyn.com> wrote: > mrdarr...(a)gmail.com wrote: > > > Come now Graham, he didn't mention he wants to become an EE... why be > > so mean? > > > Olivier, why not try this one? > >http://diyaudioprojects.com/Solid/ZCA/ZCA.htm > > > 2SK1058 lateral mosfets can be hard to find however. > > > Michael > > Thanks for the link Michael. > I do not want to become EE ! > At least good EEs should respect IEEE Code of Ethics (point 5).http://www.ieee.org/portal/pages/iportals/aboutus/ethics/code.html > > ;-) > > Olivier Oh that's good to know. And to think, some people will sell amplifiers out of a van, with horrible distortion, that can even destroy your speakers... http://en.wikipedia.org/wiki/White_van_speakers Michael
From: John Fields on 14 Oct 2008 12:15 On Tue, 14 Oct 2008 14:39:31 +0100, Eeyore <rabbitsfriendsandrelations(a)hotmail.com> wrote: > > >John Fields wrote: > >> > >Just simple facts John. > >Graham --- You're a goddam liar. You know very well that this is seb and that instead of just putting the guy down by puffing yourself up as an "expert" (implying that he's a virtual nonentity) you should be helping him understand where his deficiencies lie, like Larkin did. But no, you always have to try to make yourself feel important by trying to make it seem like everyone is less important. JF
From: mrdarrett on 14 Oct 2008 12:22 On Oct 14, 7:57 am, Olivier Scalbert <olivier.scalb...(a)algosyn.com> wrote: > Eeyore wrote: > > > Olivier Scalbert wrote: > > >> john jardine wrote: > >>> For a starter, increase C1 to 1000uF. 'T'll get the response down to about > >>> 20Hz. > > >> Thanks ! > >> Done. > >> I will try to find high quality capacitors later ... > > > The 'quality' of capaciors is an entire irrelevance with something so primitive. > > In fact it's almost a complete irrelevance completely unless you buy Asian junk. > > > I take it you've been 'Audiophooled' by reading magazines written by wholesale > > fraudsters. Audiophile was it ? > > > Graham (pro-audio designer since 1971) > > Graham, why are you so aggressive with me ? > What is your problem ? > > I have read it in Farnell catalog. > > Olivier Oh, don't mind Graham, he's still working up the courage to ask a girl out for drinks. http://groups.google.com/group/sci.electronics.design/browse_frm/thread/b2d00e347e5ddd6a?scoring=d& He does know his audio stuff though. Welcome to Usenet. Michael
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