Now it works perfectly. Mine still has trouble adjusting the voltage. When I raise the voltage setting the voltage goes up to 32Vdc when it should go up to 47Vdc, when I reduce P1 the voltage goes up and the potentiometer works upside down min: 47Vdc, Max 32Vdc. I am grateful if you can help as I used google to translate this message before.

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In January Elektor published Accessories for the Crescendo a circuit for power up delay, protection and so on In November there was an article with Modifications called Crescendo revisited with a very small modification to prevent oscillation. In May, Elektor published another version of the Crescendo this one smaller, with less power, which I built too I guess I was a big fan of the Crescendo at the time What is it doing there?

Nothing, taking space A couple of months ago, due to the fact that I had a different design only aestheticallly which made me not to recognize the amp , I built the SAME amplifier and spoke to Carlos about it asking him to do an evaluation to the guy Well, to made story short I built the amplifier AGAIN and for that I did another layout which was completely different from the first one how could I recognize the beast from the other animal?

I did not change any value of components except the small input cap for radio freq. Nothing of that Hi End nature, but very pleasant And this the history of the atribulated and already famous Elektor amplifier Do you guys want to know something? End of story I suppose schematics are good for building, judging should be for the ears.

I was told that it was often used for PA purposes. Think it was recommended back then as something i could manage. It was my second amp the first never got to a working stage :o Too long ago, mvg, 14th December PM thank you jmateus.

This is a very interesting design, different topology than the previsous ones crescendo and derivates , with the possibility of being constructed inexpensively mainly for electrostatic headphones, for an active speaker system or a small hi-fi installation. The input stage featured a dual symetric differential amplifier formed by 4 cascode pairs This one I never built, but All times are GMT. The time now is PM. Page 2 of 8.


Download: Elektor 1982 Pdf.pdf



Elektor Magazine - Spanish - 1982



selektor septmebre 1982


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