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Thread: Mains filter for powerline adapters

  1. #1
    Join Date: Oct 2008

    Location: Aughton, Ormskirk

    Posts: 2,848
    I'm Jerry.

    Default Mains filter for powerline adapters

    I have powerline adapters everywhere in the house, they are the best invention since sliced bread. I don't suffer from mains hum but would like to see if I can get the noise floor lower with an appropriate filter.
    Any recommendations?
    Jerry
    Hifi: IPL transmission line floorstanding speakers, Squeezebox Touch, Denafrips Ares 11 DAC, DCB1 Pre-amplifier, Croft Series 7 power amp.
    Custom Hifi cables HA10SE headphone amplifier and Hifiman HE-400 headphones.
    AV system: LG 55B7, Denon AVR -x2300w receiver, Quad 12L (front) 11c Centre and 11L rear . Velodyne DD15 subwoofer.

  2. #2
    Join Date: May 2011

    Location: Glasgow

    Posts: 7,718
    I'm Brian.

    Default

    Regards
    Brian

    Sell your cleverness and buy bewilderment . (Rumi )


    Korus Computer Audio music server
    JustBoom DAC . HRT Musicstreamer 2
    Amplifier : Sony TA FB740R
    Speakers : Tannoy 637
    Interconnects : MS Audio / Klotz MC5000 .
    Speaker cables : Western Electric 16AG

  3. #3
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 99,005
    I'm Grant.

    Default

    how does that work brian. do you just plug it in somewhere and it sucks all the stuff out?
    Regards,
    Grant .... ؠ ......Don't be such a big girl's blouse

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    FIIO K7 BT, M11 PLUS, BTR7, KA5 - OPPO BDP-103D - PANASONIC UB450 - PANASONIC 4K ULTRA HD TV - PIXEL 6 - AVANTREE LR BLUETOOTH - 2* X600 SOUNDCORE - HEADPHONES INCLUDE, FIIO, NURAPHONES', FOCAL, OPPO, BOSE, CAMBRIDGE, BOWER & WILKINS, DEVIALET, MARSHALL, SONY, MITCHELL & JOHNSTON - 2*ZBOOK'S- MERCURY BD ROM, ROON, QOBUZ, TIDAL, PLEX, CYBERLINK, JRIVER - MULTI HDD'S -

    Oh my god! There's nothing wrong with the bidet is there?

    “Nothing discloses real character like the use of power. It is easy for the weak to be gentle. Most people can bear adversity. But if you wish to know what a man really is, give him power. This is the supreme test. It is the glory of Lincoln that, having almost absolute power, he never abused it, except on the side of mercy".

    “You see these dictators on their pedestals, surrounded by the bayonets of their soldiers and the truncheons of their police ... yet in their hearts there is unspoken fear. They are afraid of words and thoughts: words spoken abroad, thoughts stirring at home -- all the more powerful because forbidden -- terrify them. A little mouse of thought appears in the room, and even the mightiest potentates are thrown into panic.”

    "You don't have free will. You have the appearance of free will.”

    “There's a war out there, old friend. A world war. And it's not about who's got the most bullets. It's about who controls the information. What we see and hear, how we work, what we think... it's all about the information!”


    ***SMILE, BE HAPPY***

  4. #4
    Join Date: May 2011

    Location: Glasgow

    Posts: 7,718
    I'm Brian.

    Default

    Quote Originally Posted by struth View Post
    how does that work brian. do you just plug it in somewhere and it sucks all the stuff out?
    Yup
    Regards
    Brian

    Sell your cleverness and buy bewilderment . (Rumi )


    Korus Computer Audio music server
    JustBoom DAC . HRT Musicstreamer 2
    Amplifier : Sony TA FB740R
    Speakers : Tannoy 637
    Interconnects : MS Audio / Klotz MC5000 .
    Speaker cables : Western Electric 16AG

  5. #5
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 99,005
    I'm Grant.

    Default

    Quote Originally Posted by brian2957 View Post
    Yup
    Ok, cheers Brian. Never seen it before.
    Regards,
    Grant .... ؠ ......Don't be such a big girl's blouse

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    FIIO K7 BT, M11 PLUS, BTR7, KA5 - OPPO BDP-103D - PANASONIC UB450 - PANASONIC 4K ULTRA HD TV - PIXEL 6 - AVANTREE LR BLUETOOTH - 2* X600 SOUNDCORE - HEADPHONES INCLUDE, FIIO, NURAPHONES', FOCAL, OPPO, BOSE, CAMBRIDGE, BOWER & WILKINS, DEVIALET, MARSHALL, SONY, MITCHELL & JOHNSTON - 2*ZBOOK'S- MERCURY BD ROM, ROON, QOBUZ, TIDAL, PLEX, CYBERLINK, JRIVER - MULTI HDD'S -

    Oh my god! There's nothing wrong with the bidet is there?

    “Nothing discloses real character like the use of power. It is easy for the weak to be gentle. Most people can bear adversity. But if you wish to know what a man really is, give him power. This is the supreme test. It is the glory of Lincoln that, having almost absolute power, he never abused it, except on the side of mercy".

    “You see these dictators on their pedestals, surrounded by the bayonets of their soldiers and the truncheons of their police ... yet in their hearts there is unspoken fear. They are afraid of words and thoughts: words spoken abroad, thoughts stirring at home -- all the more powerful because forbidden -- terrify them. A little mouse of thought appears in the room, and even the mightiest potentates are thrown into panic.”

    "You don't have free will. You have the appearance of free will.”

    “There's a war out there, old friend. A world war. And it's not about who's got the most bullets. It's about who controls the information. What we see and hear, how we work, what we think... it's all about the information!”


    ***SMILE, BE HAPPY***

  6. #6
    Join Date: Nov 2008

    Location: Valley of the Hazels

    Posts: 9,139
    I'm AMusicFanNotAnAudiophile.

    Default

    Quote Originally Posted by Covenant View Post
    I have powerline adapters everywhere in the house, they are the best invention since sliced bread
    They have got better over the years, but they're still not as good as a proper wired installation or even decent WiFi.
    Ignore whatever claimed transmission speed is on the box, because you won't be getting anything close to the claimed speed.
    And then there's the little issue of very high frequency noise injected over your mains - would the recommended filter cause problems with the operation of your mains polluting powerline adapters?
    I wouldn't be surprised if it did.
    Chris



    Common sense isn't anymore!

  7. #7
    Join Date: Oct 2008

    Location: Aughton, Ormskirk

    Posts: 2,848
    I'm Jerry.

    Default

    Chris, the adapters I use seem very reliable-much better than wifi. I used to get problems with re-buffering on my Touch and high quality films. This is despite having fibre broadband. Of course, 4k might be another matter. I will have to cross that bridge in the future but a wired installation is not going to happen as I have solid floors.
    Brian, I had forgotten about Custom Hi fi Cables. I have one of their tube headphone amplifiers-a pre-production model. It is a superb product.
    Jerry
    Hifi: IPL transmission line floorstanding speakers, Squeezebox Touch, Denafrips Ares 11 DAC, DCB1 Pre-amplifier, Croft Series 7 power amp.
    Custom Hifi cables HA10SE headphone amplifier and Hifiman HE-400 headphones.
    AV system: LG 55B7, Denon AVR -x2300w receiver, Quad 12L (front) 11c Centre and 11L rear . Velodyne DD15 subwoofer.

  8. #8
    Join Date: Nov 2008

    Location: Valley of the Hazels

    Posts: 9,139
    I'm AMusicFanNotAnAudiophile.

    Default

    Fibre broadband does not make one tiny bit of difference to your WiFi.

    The most important thing is your router, and its WiFi capabilities (many of the ISP provided routers provide rubbish WiFi coverage), and its location (most installations are on the ground floor, when is practise they work better from a more elevated position).
    The layout of the building, the materials used, and the amount of coverage area all have an effect.
    You mentioned solid floors, so my initial thought is concrete raft with metal reinforcement bars in your case, so router coverage is going to be problematic no matter where you site it.

    There's always the option to cable around the outside of the building - you'd be surprised at just how invisible cable can be when it's hidden in full view.
    I do it all the time, but it takes a fair bit of time and effort to get it right.
    Chris



    Common sense isn't anymore!

  9. #9
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 99,005
    I'm Grant.

    Default

    Ive got a set. Dont use them now but they were pretty good when i did. Never noticed much of a speed reduction over wifi from the router. Both were above 25mbs. The wifi upstairs is ok, not great but good enough most times.
    Regards,
    Grant .... ؠ ......Don't be such a big girl's blouse

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    FIIO K7 BT, M11 PLUS, BTR7, KA5 - OPPO BDP-103D - PANASONIC UB450 - PANASONIC 4K ULTRA HD TV - PIXEL 6 - AVANTREE LR BLUETOOTH - 2* X600 SOUNDCORE - HEADPHONES INCLUDE, FIIO, NURAPHONES', FOCAL, OPPO, BOSE, CAMBRIDGE, BOWER & WILKINS, DEVIALET, MARSHALL, SONY, MITCHELL & JOHNSTON - 2*ZBOOK'S- MERCURY BD ROM, ROON, QOBUZ, TIDAL, PLEX, CYBERLINK, JRIVER - MULTI HDD'S -

    Oh my god! There's nothing wrong with the bidet is there?

    “Nothing discloses real character like the use of power. It is easy for the weak to be gentle. Most people can bear adversity. But if you wish to know what a man really is, give him power. This is the supreme test. It is the glory of Lincoln that, having almost absolute power, he never abused it, except on the side of mercy".

    “You see these dictators on their pedestals, surrounded by the bayonets of their soldiers and the truncheons of their police ... yet in their hearts there is unspoken fear. They are afraid of words and thoughts: words spoken abroad, thoughts stirring at home -- all the more powerful because forbidden -- terrify them. A little mouse of thought appears in the room, and even the mightiest potentates are thrown into panic.”

    "You don't have free will. You have the appearance of free will.”

    “There's a war out there, old friend. A world war. And it's not about who's got the most bullets. It's about who controls the information. What we see and hear, how we work, what we think... it's all about the information!”


    ***SMILE, BE HAPPY***

  10. #10
    Join Date: Oct 2008

    Location: Aughton, Ormskirk

    Posts: 2,848
    I'm Jerry.

    Default

    Quote Originally Posted by Stratmangler View Post
    Fibre broadband does not make one tiny bit of difference to your WiFi.

    The most important thing is your router, and its WiFi capabilities (many of the ISP provided routers provide rubbish WiFi coverage), and its location (most installations are on the ground floor, when is practise they work better from a more elevated position).
    The layout of the building, the materials used, and the amount of coverage area all have an effect.
    You mentioned solid floors, so my initial thought is concrete raft with metal reinforcement bars in your case, so router coverage is going to be problematic no matter where you site it.

    There's always the option to cable around the outside of the building - you'd be surprised at just how invisible cable can be when it's hidden in full view.
    I do it all the time, but it takes a fair bit of time and effort to get it right.
    When I called out Talktalk about installing fibre they wouldn't put it in because the router was upstairs and the main socket downstairs! I had to move the router into the living room before they would agree to the installation. But I will bear in mind your comments on ISP provided routers-which make do you recommend Chris?
    The floor is just concrete with a screed by the way.
    Jerry
    Hifi: IPL transmission line floorstanding speakers, Squeezebox Touch, Denafrips Ares 11 DAC, DCB1 Pre-amplifier, Croft Series 7 power amp.
    Custom Hifi cables HA10SE headphone amplifier and Hifiman HE-400 headphones.
    AV system: LG 55B7, Denon AVR -x2300w receiver, Quad 12L (front) 11c Centre and 11L rear . Velodyne DD15 subwoofer.

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