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    {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}

    fredferret0's profile

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    throbber
    User ID fredferret0 (Feedback score 1904)
    100% positive Feedback
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    I'm a security technology specialist. I used to be a geek about such things, now I am a professional, working with (among other people) Met police etc.

    Use this space to tell other eBay members about yourself and what you’re passionate about. Give people more reasons to follow you.

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    Feedback ratingsSee all Feedback
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    Feedback from the last 12 months
    • JUST TWO WORDS! WONDERFULLY TERRIFIC!
      22 Feb, 2021
    • A*** valued customer thankyou
      15 Feb, 2021
    • fast payment pleasure to do business with A******** Thanks Foido
      08 Feb, 2021
    • Hope to deal with you again. Thank you.
      01 Feb, 2021
    • Great communication. A pleasure to do business with.
      01 Feb, 2021
    ||Member since: 07 Oct, 2003|United Kingdom

    Reviews (29)

    See all reviews
    New Stanley Carbide Knife Blades 0-11-800 (Pack of 5)

    New Stanley Carbide Knife Blades 0-11-800 (Pack of 5)

    14 Mar, 2018

    Good. Very good. Worth getting if you hate changing blades...

    I went through four blades cutting carpet recently, and that was only half way through the job. Then I remembered I had bought these special blades. I finished the job on one of these special blades, and it showed no signs of getting blunt. Nuff. Said.

      Ground Loop Isolator with Low Level Filter Car Radio Audio Hum Noise Preventer

      Ground Loop Isolator with Low Level Filter Car Radio Audio Hum Noise Preventer

      19 Dec, 2018

      Kills hum totally; sound is transparent and clean, but bass is attenuated !

      In respect of noise elimination, it does the job perfectly. An annoying hum and a whistle was completely eliminated by this. BUT... For my HiFi it was apparently 'transparent' in general, but it clearly had a roll-off at lower frequencies. Bass was definitely attenuated by ...Read full review

        1 of 1 found this helpful

        Ground Loop Isolator with Low Level Filter Car Radio Audio Hum Noise Preventer

        Ground Loop Isolator with Low Level Filter Car Radio Audio Hum Noise Preventer

        by fredferret0

        19 Dec, 2018

        Verified purchase - New

        Kills hum totally; sound is transparent and clean, but bass is attenuated !

        In respect of noise elimination, it does the job perfectly. An annoying hum and a whistle was completely eliminated by this. BUT... For my HiFi it was apparently 'transparent' in general, but it clearly had a roll-off at lower frequencies. Bass was definitely attenuated by this device. I believe it is because of impedance issues. Bass was lighter as though I had turned the bass control down. This was escpecially noticed on organ and synthesiser music. The frequency response gives a clue: this device starts at 40hz, but the ones I had been using for my other HiFi had a frequency response that went down to 20hz. That is clearly significant. Also, the DC resistance of the windings was much lower on this device: it was ~150 ohms, whereas my other isolators were much higher: 350ohms. The others had an impedance of 20kohms; but the impedance for these devices is not stated.

          1 of 1 found this helpful

          Hikvision DS-1280ZJ-DM18 Power intake Deep base box for Domes Camera

          Hikvision DS-1280ZJ-DM18 Power intake Deep base box for Domes Camera

          13 Jan, 2021

          Very good quality, but there is a "however"...

          As with all HikVision products, the build quality is very good. However this is not as "deep" as its description might make you think. If you have to connect audio and alarm cables inside this case, it is only just enough space for the cables and connectors. Just.

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