How to correctly set cathode bias trimmers in Varimu limiter

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Val_r

Well-known member
Joined
Jun 5, 2004
Messages
306
Location
Naples, Italy.
Hi,

I know that probably this topic has been already discussed, but I cannot find any thread on it.

I have the DC flowing through the stages, so that anytime the signal has a peak and the compressor limits it, I can hear the "pump" (the typical dc noise)

I have also seen how the UA176 manual suggests to do.

Is there a universal way for any varimu compressor to harmonically balance these cathode bias resistors?
Can anyone explain the methode suggested by UA in the 176 manual?

Thanks,

Val
 
I posted a description of a method to set the balance using a 20kHz tone burst as the input signal--and it works very well, in my experience--but I can't find the post right now.

EDIT: I found it:

http://www.groupdiy.com/FORUM/viewtopic.php?t=22291

And there have been many other discussions on the topic.
 
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