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-   -   Aleph x one problem (http://www.diyaudio.com/forums/pass-labs/157113-aleph-x-one-problem.html)

daltvi 21st December 2009 04:30 PM

Aleph x one problem
 
I'm building l’Aleph x Gregary’s original version, I understood almost all. I have one problem:
When I’m setting bias V1, V3 and after V2 I must connect the loudspeakers right and left (the load) or I must not connect theloudspeakers. Only when I have finished the setting and Adjusting offset can I connect the loudspeakers?.
Regards

xcel 22nd December 2009 03:56 PM

It's not necessary to have a load attached to the amp while adjusting the bias and offset. In fact, I would strongly recommend to NOT connect any loudspeaker while doing this. If something goes wrong with the absolute offset your speakers can be destroyed (they don't like offset very much).

Regards,

Xcel

daltvi 22nd December 2009 11:18 PM

Thanks


Virginio

Zen Mod 22nd December 2009 11:22 PM

do not forget to ground inputs while doing setting procedure .

for some amps that's necessary , for some amps that's just precaution ;

I don't know is it your version DC coupled on input , so - let's call it precaution


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