Recent content by DaveJazz

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    Denon F-109 mini system how to ground without buzz?

    Think I have managed to solve it................:pray: Found out that the Amp has a "Protection Circuit" which prevents damge to components from overload & excess voltage.......or if the speaker cables + or - touch the rear panel/casework of the amp! I recon that by connecting an earth to the...
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    Denon F-109 mini system how to ground without buzz?

    In fact you got me thinking........................... I wonder as they are are only using L + N if they are treating "ground" on the PCB as N??............In fact most incoming mains is single core with the steel armor proving the path for the combined netral and earth!........By connecting a...
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    Denon F-109 mini system how to ground without buzz?

    Maybee I didn't make it clear in my first post....................... All the three cases are double insulated (no requirement for earth connection for electrical safety) ..........................That includes the Amp! So there is no connection to mains earth via a power lead anywhere in the...
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    Denon F-109 mini system how to ground without buzz?

    double post..........
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    Denon F-109 mini system how to ground without buzz?

    Err....yes I am real......and the post is real........................ i'm sorry if the post is a bit strage but I tried to cut and paste two emails into the forum with strange results!...................oops! Might have to cut post out and re-do in word then re-post......................all...
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    Denon F-109 mini system how to ground without buzz?

    I have read various posts on this forum & others re earthing for electrical safety, grounding for RFI, and signal (audio) ground etc! I do know a bit about electrics as I do building and car electronics, and built computers. I hope you will take some time to read my post below and give any firm...