Tube testing in Kelowna or Vancouver

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  • November 16, 2017 at 2:34 pm #9744
    Peter Engel
    Forum Participant

    Hi, I have inherited an older multi band Phillips radio. It has a very loud hum in all bands and frequency’s and I am thinking that the first place to start would be to test all the tubes. I have already tried contact cleaner on all the potentiometers etc. Any help is appreciated. Peter Engel.

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    November 17, 2017 at 7:17 am #9747
    Les Dickson
    CVRS Member

    Hi Peter, if your receiving stations but there is also hum, I’d start by replacing all the paper/wax capacitors and the electrolytic capacitors, then checking the resistors. The tubes can be surprisingly robust.

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