From: Mark Gilger 
Subject: Re: [drakelist] R4B hum - 99.9% solved


The low level hum is normal when using headphones. You might want to stick 
a large value resistor in series with the hot lead. That will take care of it.

Regards,
Mark
At 05:58 PM 10/25/03 -0700, John_K7FD wrote:

>Thanks to all for the suggestions! The culprit ended up being a faulty 6EH5;
>now there is only a very slight hum when wearing headphones. So I know I
>won't be happy until I change out those filter caps...  :)
>
>Again, thanks to all - wow! Really appreciate the help as I am returning to
>boatanchor ownership after many years away...
>
>73 John K7FD
>
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