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mcaddie7

mcaddie7

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  • J
    Hi Mcaddie7-

    I was reading your HK 930 restoration thread with interest. I have a 930 that is new to me. I am unable to set the bias. I have the left channel set to ~15 mV. But the right channel is between 50-60 mV regardless where I set (VR621). I see in the thread that you changed VR601 and VR624 potentiometers to new ones. What potentiometers did you use to replace VR601/621 and where did you source them?

    Thanks
    mcaddie7
    mcaddie7
    Hi! I had an old matched pair I used. Try to find a multi turn pot so you can really adjust it finely. Something like this would work well. Not sure what wattage is needed but 1/2 should be enough given the rest of those resistors are in the same range https://a.co/d/22mUDkX


    Don’t forget to maybe change that temp diodes that were suggested in my thread as well, that I think helped as well

    Good luck!
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